git.roojs.org Git - roojs1/blob - Roo/grid/GridView.js

   1 /*
   2  * Based on:
   3  * Ext JS Library 1.1.1
   4  * Copyright(c) 2006-2007, Ext JS, LLC.
   5  *
   6  * Originally Released Under LGPL - original licence link has changed is not relivant.
   7  *
   8  * Fork - LGPL
   9  * <script type="text/javascript">
  10  */
  11
  12 /**
  13  * @class Roo.grid.GridView
  14  * @extends Roo.util.Observable
  15  *
  16  * @constructor
  17  * @param {Object} config
  18  */
  19 Roo.grid.GridView = function(config){
  20     Roo.grid.GridView.superclass.constructor.call(this);
  21     this.el = null;
  22
  23     Roo.apply(this, config);
  24 };
  25
  26 Roo.extend(Roo.grid.GridView, Roo.grid.AbstractGridView, {
  27
  28     unselectable :  'unselectable="on"',
  29     unselectableCls :  'x-unselectable',
  30
  31
  32     rowClass : "x-grid-row",
  33
  34     cellClass : "x-grid-col",
  35
  36     tdClass : "x-grid-td",
  37
  38     hdClass : "x-grid-hd",
  39
  40     splitClass : "x-grid-split",
  41
  42     sortClasses : ["sort-asc", "sort-desc"],
  43
  44     enableMoveAnim : false,
  45
  46     hlColor: "C3DAF9",
  47
  48     dh : Roo.DomHelper,
  49
  50     fly : Roo.Element.fly,
  51
  52     css : Roo.util.CSS,
  53
  54     borderWidth: 1,
  55
  56     splitOffset: 3,
  57
  58     scrollIncrement : 22,
  59
  60     cellRE: /(?:.*?)x-grid-(?:hd|cell|csplit)-(?:[\d]+)-([\d]+)(?:.*?)/,
  61
  62     findRE: /\s?(?:x-grid-hd|x-grid-col|x-grid-csplit)\s/,
  63
  64     bind : function(ds, cm){
  65         if(this.ds){
  66             this.ds.un("load", this.onLoad, this);
  67             this.ds.un("datachanged", this.onDataChange, this);
  68             this.ds.un("add", this.onAdd, this);
  69             this.ds.un("remove", this.onRemove, this);
  70             this.ds.un("update", this.onUpdate, this);
  71             this.ds.un("clear", this.onClear, this);
  72         }
  73         if(ds){
  74             ds.on("load", this.onLoad, this);
  75             ds.on("datachanged", this.onDataChange, this);
  76             ds.on("add", this.onAdd, this);
  77             ds.on("remove", this.onRemove, this);
  78             ds.on("update", this.onUpdate, this);
  79             ds.on("clear", this.onClear, this);
  80         }
  81         this.ds = ds;
  82
  83         if(this.cm){
  84             this.cm.un("widthchange", this.onColWidthChange, this);
  85             this.cm.un("headerchange", this.onHeaderChange, this);
  86             this.cm.un("hiddenchange", this.onHiddenChange, this);
  87             this.cm.un("columnmoved", this.onColumnMove, this);
  88             this.cm.un("columnlockchange", this.onColumnLock, this);
  89         }
  90         if(cm){
  91             this.generateRules(cm);
  92             cm.on("widthchange", this.onColWidthChange, this);
  93             cm.on("headerchange", this.onHeaderChange, this);
  94             cm.on("hiddenchange", this.onHiddenChange, this);
  95             cm.on("columnmoved", this.onColumnMove, this);
  96             cm.on("columnlockchange", this.onColumnLock, this);
  97         }
  98         this.cm = cm;
  99     },
 100
 101     init: function(grid){
 102         Roo.grid.GridView.superclass.init.call(this, grid);
 103
 104         this.bind(grid.dataSource, grid.colModel);
 105
 106         grid.on("headerclick", this.handleHeaderClick, this);
 107
 108         if(grid.trackMouseOver){
 109             grid.on("mouseover", this.onRowOver, this);
 110             grid.on("mouseout", this.onRowOut, this);
 111         }
 112         grid.cancelTextSelection = function(){};
 113         this.gridId = grid.id;
 114
 115         var tpls = this.templates || {};
 116
 117         if(!tpls.master){
 118             tpls.master = new Roo.Template(
 119                '<div class="x-grid" hidefocus="true">',
 120                 '<a href="#" class="x-grid-focus" tabIndex="-1"></a>',
 121                   '<div class="x-grid-topbar"></div>',
 122                   '<div class="x-grid-scroller"><div></div></div>',
 123                   '<div class="x-grid-locked">',
 124                       '<div class="x-grid-header">{lockedHeader}</div>',
 125                       '<div class="x-grid-body">{lockedBody}</div>',
 126                   "</div>",
 127                   '<div class="x-grid-viewport">',
 128                       '<div class="x-grid-header">{header}</div>',
 129                       '<div class="x-grid-body">{body}</div>',
 130                   "</div>",
 131                   '<div class="x-grid-bottombar"></div>',
 132
 133                   '<div class="x-grid-resize-proxy">&#160;</div>',
 134                "</div>"
 135             );
 136             tpls.master.disableformats = true;
 137         }
 138
 139         if(!tpls.header){
 140             tpls.header = new Roo.Template(
 141                '<table border="0" cellspacing="0" cellpadding="0">',
 142                '<tbody><tr class="x-grid-hd-row">{cells}</tr></tbody>',
 143                "</table>{splits}"
 144             );
 145             tpls.header.disableformats = true;
 146         }
 147         tpls.header.compile();
 148
 149         if(!tpls.hcell){
 150             tpls.hcell = new Roo.Template(
 151                 '<td class="x-grid-hd x-grid-td-{id} {cellId}"><div " title="{title}" class="x-grid-hd-inner x-grid-hd-{id}">',
 152                 '<div class="x-grid-hd-text ' + this.unselectableCls +  '" ' + this.unselectable +'>{value}<img class="x-grid-sort-icon" src="', Roo.BLANK_IMAGE_URL, '" /></div>',
 153                 "</div></td>"
 154              );
 155              tpls.hcell.disableFormats = true;
 156         }
 157         tpls.hcell.compile();
 158
 159         if(!tpls.hsplit){
 160             tpls.hsplit = new Roo.Template('<div class="x-grid-split {splitId} x-grid-split-{id}" style="{style} ' +
 161                                             this.unselectableCls +  '" ' + this.unselectable +'>&#160;</div>');
 162             tpls.hsplit.disableFormats = true;
 163         }
 164         tpls.hsplit.compile();
 165
 166         if(!tpls.body){
 167             tpls.body = new Roo.Template(
 168                '<table border="0" cellspacing="0" cellpadding="0">',
 169                "<tbody>{rows}</tbody>",
 170                "</table>"
 171             );
 172             tpls.body.disableFormats = true;
 173         }
 174         tpls.body.compile();
 175
 176         if(!tpls.row){
 177             tpls.row = new Roo.Template('<tr class="x-grid-row {alt}">{cells}</tr>');
 178             tpls.row.disableFormats = true;
 179         }
 180         tpls.row.compile();
 181
 182         if(!tpls.cell){
 183             tpls.cell = new Roo.Template(
 184                 '<td class="x-grid-col x-grid-td-{id} {cellId} {css}" tabIndex="0">',
 185                 '<div class="x-grid-col-{id} x-grid-cell-inner"><div class="x-grid-cell-text ' +
 186                     this.unselectableCls +  '" ' + this.unselectable +'" {attr}>{value}</div></div>',
 187                 "</td>"
 188             );
 189             tpls.cell.disableFormats = true;
 190         }
 191         tpls.cell.compile();
 192
 193         this.templates = tpls;
 194     },
 195
 196     // remap these for backwards compat
 197     onColWidthChange : function(){
 198         this.updateColumns.apply(this, arguments);
 199     },
 200     onHeaderChange : function(){
 201         this.updateHeaders.apply(this, arguments);
 202     },
 203     onHiddenChange : function(){
 204         this.handleHiddenChange.apply(this, arguments);
 205     },
 206     onColumnMove : function(){
 207         this.handleColumnMove.apply(this, arguments);
 208     },
 209     onColumnLock : function(){
 210         this.handleLockChange.apply(this, arguments);
 211     },
 212
 213     onDataChange : function(){
 214         this.refresh();
 215         this.updateHeaderSortState();
 216     },
 217
 218     onClear : function(){
 219         this.refresh();
 220     },
 221
 222     onUpdate : function(ds, record){
 223         this.refreshRow(record);
 224     },
 225
 226     refreshRow : function(record){
 227         var ds = this.ds, index;
 228         if(typeof record == 'number'){
 229             index = record;
 230             record = ds.getAt(index);
 231         }else{
 232             index = ds.indexOf(record);
 233         }
 234         this.insertRows(ds, index, index, true);
 235         this.onRemove(ds, record, index+1, true);
 236         this.syncRowHeights(index, index);
 237         this.layout();
 238         this.fireEvent("rowupdated", this, index, record);
 239     },
 240
 241     onAdd : function(ds, records, index){
 242         this.insertRows(ds, index, index + (records.length-1));
 243     },
 244
 245     onRemove : function(ds, record, index, isUpdate){
 246         if(isUpdate !== true){
 247             this.fireEvent("beforerowremoved", this, index, record);
 248         }
 249         var bt = this.getBodyTable(), lt = this.getLockedTable();
 250         if(bt.rows[index]){
 251             bt.firstChild.removeChild(bt.rows[index]);
 252         }
 253         if(lt.rows[index]){
 254             lt.firstChild.removeChild(lt.rows[index]);
 255         }
 256         if(isUpdate !== true){
 257             this.stripeRows(index);
 258             this.syncRowHeights(index, index);
 259             this.layout();
 260             this.fireEvent("rowremoved", this, index, record);
 261         }
 262     },
 263
 264     onLoad : function(){
 265         this.scrollToTop();
 266     },
 267
 268     /**
 269      * Scrolls the grid to the top
 270      */
 271     scrollToTop : function(){
 272         if(this.scroller){
 273             this.scroller.dom.scrollTop = 0;
 274             this.syncScroll();
 275         }
 276     },
 277
 278     /**
 279      * Gets a panel in the header of the grid that can be used for toolbars etc.
 280      * After modifying the contents of this panel a call to grid.autoSize() may be
 281      * required to register any changes in size.
 282      * @param {Boolean} doShow By default the header is hidden. Pass true to show the panel
 283      * @return Roo.Element
 284      */
 285     getHeaderPanel : function(doShow){
 286         if(doShow){
 287             this.headerPanel.show();
 288         }
 289         return this.headerPanel;
 290     },
 291
 292     /**
 293      * Gets a panel in the footer of the grid that can be used for toolbars etc.
 294      * After modifying the contents of this panel a call to grid.autoSize() may be
 295      * required to register any changes in size.
 296      * @param {Boolean} doShow By default the footer is hidden. Pass true to show the panel
 297      * @return Roo.Element
 298      */
 299     getFooterPanel : function(doShow){
 300         if(doShow){
 301             this.footerPanel.show();
 302         }
 303         return this.footerPanel;
 304     },
 305
 306     initElements : function(){
 307         var E = Roo.Element;
 308         var el = this.grid.getGridEl().dom.firstChild;
 309         var cs = el.childNodes;
 310
 311         this.el = new E(el);
 312
 313          this.focusEl = new E(el.firstChild);
 314         this.focusEl.swallowEvent("click", true);
 315
 316         this.headerPanel = new E(cs[1]);
 317         this.headerPanel.enableDisplayMode("block");
 318
 319         this.scroller = new E(cs[2]);
 320         this.scrollSizer = new E(this.scroller.dom.firstChild);
 321
 322         this.lockedWrap = new E(cs[3]);
 323         this.lockedHd = new E(this.lockedWrap.dom.firstChild);
 324         this.lockedBody = new E(this.lockedWrap.dom.childNodes[1]);
 325
 326         this.mainWrap = new E(cs[4]);
 327         this.mainHd = new E(this.mainWrap.dom.firstChild);
 328         this.mainBody = new E(this.mainWrap.dom.childNodes[1]);
 329
 330         this.footerPanel = new E(cs[5]);
 331         this.footerPanel.enableDisplayMode("block");
 332
 333         this.resizeProxy = new E(cs[6]);
 334
 335         this.headerSelector = String.format(
 336            '#{0} td.x-grid-hd, #{1} td.x-grid-hd',
 337            this.lockedHd.id, this.mainHd.id
 338         );
 339
 340         this.splitterSelector = String.format(
 341            '#{0} div.x-grid-split, #{1} div.x-grid-split',
 342            this.idToCssName(this.lockedHd.id), this.idToCssName(this.mainHd.id)
 343         );
 344     },
 345     idToCssName : function(s)
 346     {
 347         return s.replace(/[^a-z0-9]+/ig, '-');
 348     },
 349
 350     getHeaderCell : function(index){
 351         return Roo.DomQuery.select(this.headerSelector)[index];
 352     },
 353
 354     getHeaderCellMeasure : function(index){
 355         return this.getHeaderCell(index).firstChild;
 356     },
 357
 358     getHeaderCellText : function(index){
 359         return this.getHeaderCell(index).firstChild.firstChild;
 360     },
 361
 362     getLockedTable : function(){
 363         return this.lockedBody.dom.firstChild;
 364     },
 365
 366     getBodyTable : function(){
 367         return this.mainBody.dom.firstChild;
 368     },
 369
 370     getLockedRow : function(index){
 371         return this.getLockedTable().rows[index];
 372     },
 373
 374     getRow : function(index){
 375         return this.getBodyTable().rows[index];
 376     },
 377
 378     getRowComposite : function(index){
 379         if(!this.rowEl){
 380             this.rowEl = new Roo.CompositeElementLite();
 381         }
 382         var els = [], lrow, mrow;
 383         if(lrow = this.getLockedRow(index)){
 384             els.push(lrow);
 385         }
 386         if(mrow = this.getRow(index)){
 387             els.push(mrow);
 388         }
 389         this.rowEl.elements = els;
 390         return this.rowEl;
 391     },
 392     /**
 393      * Gets the 'td' of the cell
 394      *
 395      * @param {Integer} rowIndex row to select
 396      * @param {Integer} colIndex column to select
 397      *
 398      * @return {Object}
 399      */
 400     getCell : function(rowIndex, colIndex){
 401         var locked = this.cm.getLockedCount();
 402         Roo.log(locked);
 403         var source;
 404         if(colIndex < locked){
 405             source = this.lockedBody.dom.firstChild;
 406         }else{
 407             source = this.mainBody.dom.firstChild;
 408             colIndex -= locked;
 409         }
 410         return source.rows[rowIndex].childNodes[colIndex];
 411     },
 412
 413     getCellText : function(rowIndex, colIndex){
 414         return this.getCell(rowIndex, colIndex).firstChild.firstChild;
 415     },
 416
 417     getCellBox : function(cell){
 418         var b = this.fly(cell).getBox();
 419         if(Roo.isOpera){ // opera fails to report the Y
 420             b.y = cell.offsetTop + this.mainBody.getY();
 421         }
 422         return b;
 423     },
 424
 425     getCellIndex : function(cell){
 426         var id = String(cell.className).match(this.cellRE);
 427         if(id){
 428             return parseInt(id[1], 10);
 429         }
 430         return 0;
 431     },
 432
 433     findHeaderIndex : function(n){
 434         var r = Roo.fly(n).findParent("td." + this.hdClass, 6);
 435         return r ? this.getCellIndex(r) : false;
 436     },
 437
 438     findHeaderCell : function(n){
 439         var r = Roo.fly(n).findParent("td." + this.hdClass, 6);
 440         return r ? r : false;
 441     },
 442
 443     findRowIndex : function(n){
 444         if(!n){
 445             return false;
 446         }
 447         var r = Roo.fly(n).findParent("tr." + this.rowClass, 6);
 448         return r ? r.rowIndex : false;
 449     },
 450
 451     findCellIndex : function(node){
 452         var stop = this.el.dom;
 453         while(node && node != stop){
 454             if(this.findRE.test(node.className)){
 455                 return this.getCellIndex(node);
 456             }
 457             node = node.parentNode;
 458         }
 459         return false;
 460     },
 461
 462     getColumnId : function(index){
 463         return this.cm.getColumnId(index);
 464     },
 465
 466     getSplitters : function()
 467     {
 468         if(this.splitterSelector){
 469            return Roo.DomQuery.select(this.splitterSelector);
 470         }else{
 471             return null;
 472       }
 473     },
 474
 475     getSplitter : function(index){
 476         return this.getSplitters()[index];
 477     },
 478
 479     onRowOver : function(e, t){
 480         var row;
 481         if((row = this.findRowIndex(t)) !== false){
 482             this.getRowComposite(row).addClass("x-grid-row-over");
 483         }
 484     },
 485
 486     onRowOut : function(e, t){
 487         var row;
 488         if((row = this.findRowIndex(t)) !== false && row !== this.findRowIndex(e.getRelatedTarget())){
 489             this.getRowComposite(row).removeClass("x-grid-row-over");
 490         }
 491     },
 492
 493     renderHeaders : function(){
 494         var cm = this.cm;
 495         var ct = this.templates.hcell, ht = this.templates.header, st = this.templates.hsplit;
 496         var cb = [], lb = [], sb = [], lsb = [], p = {};
 497         for(var i = 0, len = cm.getColumnCount(); i < len; i++){
 498             p.cellId = "x-grid-hd-0-" + i;
 499             p.splitId = "x-grid-csplit-0-" + i;
 500             p.id = cm.getColumnId(i);
 501             p.title = cm.getColumnTooltip(i) || cm.getColumnHeader(i) || "";
 502             p.value = cm.getColumnHeader(i) || "";
 503             p.style = (this.grid.enableColumnResize === false || !cm.isResizable(i) || cm.isFixed(i)) ? 'cursor:default' : '';
 504             if(!cm.isLocked(i)){
 505                 cb[cb.length] = ct.apply(p);
 506                 sb[sb.length] = st.apply(p);
 507             }else{
 508                 lb[lb.length] = ct.apply(p);
 509                 lsb[lsb.length] = st.apply(p);
 510             }
 511         }
 512         return [ht.apply({cells: lb.join(""), splits:lsb.join("")}),
 513                 ht.apply({cells: cb.join(""), splits:sb.join("")})];
 514     },
 515
 516     updateHeaders : function(){
 517         var html = this.renderHeaders();
 518         this.lockedHd.update(html[0]);
 519         this.mainHd.update(html[1]);
 520     },
 521
 522     /**
 523      * Focuses the specified row.
 524      * @param {Number} row The row index
 525      */
 526     focusRow : function(row)
 527     {
 528         //Roo.log('GridView.focusRow');
 529         var x = this.scroller.dom.scrollLeft;
 530         this.focusCell(row, 0, false);
 531         this.scroller.dom.scrollLeft = x;
 532     },
 533
 534     /**
 535      * Focuses the specified cell.
 536      * @param {Number} row The row index
 537      * @param {Number} col The column index
 538      * @param {Boolean} hscroll false to disable horizontal scrolling
 539      */
 540     focusCell : function(row, col, hscroll)
 541     {
 542         //Roo.log('GridView.focusCell');
 543         var el = this.ensureVisible(row, col, hscroll);
 544         this.focusEl.alignTo(el, "tl-tl");
 545         if(Roo.isGecko){
 546             this.focusEl.focus();
 547         }else{
 548             this.focusEl.focus.defer(1, this.focusEl);
 549         }
 550     },
 551
 552     /**
 553      * Scrolls the specified cell into view
 554      * @param {Number} row The row index
 555      * @param {Number} col The column index
 556      * @param {Boolean} hscroll false to disable horizontal scrolling
 557      */
 558     ensureVisible : function(row, col, hscroll)
 559     {
 560         //Roo.log('GridView.ensureVisible,' + row + ',' + col);
 561         //return null; //disable for testing.
 562         if(typeof row != "number"){
 563             row = row.rowIndex;
 564         }
 565         if(row < 0 && row >= this.ds.getCount()){
 566             return  null;
 567         }
 568         col = (col !== undefined ? col : 0);
 569         var cm = this.grid.colModel;
 570         while(cm.isHidden(col)){
 571             col++;
 572         }
 573         Roo.log(['view : ', row, col]);
 574         var el = this.getCell(row, col);
 575         Roo.log(el);
 576         if(!el){
 577             return null;
 578         }
 579         var c = this.scroller.dom;
 580
 581         var ctop = parseInt(el.offsetTop, 10);
 582         var cleft = parseInt(el.offsetLeft, 10);
 583         var cbot = ctop + el.offsetHeight;
 584         var cright = cleft + el.offsetWidth;
 585
 586         var ch = c.clientHeight - this.mainHd.dom.offsetHeight;
 587         var stop = parseInt(c.scrollTop, 10);
 588         var sleft = parseInt(c.scrollLeft, 10);
 589         var sbot = stop + ch;
 590         var sright = sleft + c.clientWidth;
 591         /*
 592         Roo.log('GridView.ensureVisible:' +
 593                 ' ctop:' + ctop +
 594                 ' c.clientHeight:' + c.clientHeight +
 595                 ' this.mainHd.dom.offsetHeight:' + this.mainHd.dom.offsetHeight +
 596                 ' stop:' + stop +
 597                 ' cbot:' + cbot +
 598                 ' sbot:' + sbot +
 599                 ' ch:' + ch
 600                 );
 601         */
 602         if(ctop < stop){
 603              c.scrollTop = ctop;
 604             //Roo.log("set scrolltop to ctop DISABLE?");
 605         }else if(cbot > sbot){
 606             //Roo.log("set scrolltop to cbot-ch");
 607             c.scrollTop = cbot-ch;
 608         }
 609
 610         if(hscroll !== false){
 611             if(cleft < sleft){
 612                 c.scrollLeft = cleft;
 613             }else if(cright > sright){
 614                 c.scrollLeft = cright-c.clientWidth;
 615             }
 616         }
 617
 618         return el;
 619     },
 620
 621     updateColumns : function(){
 622         this.grid.stopEditing();
 623         var cm = this.grid.colModel, colIds = this.getColumnIds();
 624         //var totalWidth = cm.getTotalWidth();
 625         var pos = 0;
 626         for(var i = 0, len = cm.getColumnCount(); i < len; i++){
 627             //if(cm.isHidden(i)) continue;
 628             var w = cm.getColumnWidth(i);
 629             this.css.updateRule(this.colSelector+this.idToCssName(colIds[i]), "width", (w - this.borderWidth) + "px");
 630             this.css.updateRule(this.hdSelector+this.idToCssName(colIds[i]), "width", (w - this.borderWidth) + "px");
 631         }
 632         this.updateSplitters();
 633     },
 634
 635     generateRules : function(cm){
 636         var ruleBuf = [], rulesId = this.idToCssName(this.grid.id)+ '-cssrules';
 637         Roo.util.CSS.removeStyleSheet(rulesId);
 638         for(var i = 0, len = cm.getColumnCount(); i < len; i++){
 639             var cid = cm.getColumnId(i);
 640             var align = '';
 641             if(cm.config[i].align){
 642                 align = 'text-align:'+cm.config[i].align+';';
 643             }
 644             var hidden = '';
 645             if(cm.isHidden(i)){
 646                 hidden = 'display:none;';
 647             }
 648             var width = "width:" + (cm.getColumnWidth(i) - this.borderWidth) + "px;";
 649             ruleBuf.push(
 650                     this.colSelector, cid, " {\n", cm.config[i].css, align, width, "\n}\n",
 651                     this.hdSelector, cid, " {\n", align, width, "}\n",
 652                     this.tdSelector, cid, " {\n",hidden,"\n}\n",
 653                     this.splitSelector, cid, " {\n", hidden , "\n}\n");
 654         }
 655         return Roo.util.CSS.createStyleSheet(ruleBuf.join(""), rulesId);
 656     },
 657
 658     updateSplitters : function(){
 659         var cm = this.cm, s = this.getSplitters();
 660         if(s){ // splitters not created yet
 661             var pos = 0, locked = true;
 662             for(var i = 0, len = cm.getColumnCount(); i < len; i++){
 663                 if(cm.isHidden(i)) {
 664                     continue;
 665                 }
 666                 var w = cm.getColumnWidth(i); // make sure it's a number
 667                 if(!cm.isLocked(i) && locked){
 668                     pos = 0;
 669                     locked = false;
 670                 }
 671                 pos += w;
 672                 s[i].style.left = (pos-this.splitOffset) + "px";
 673             }
 674         }
 675     },
 676
 677     handleHiddenChange : function(colModel, colIndex, hidden){
 678         if(hidden){
 679             this.hideColumn(colIndex);
 680         }else{
 681             this.unhideColumn(colIndex);
 682         }
 683     },
 684
 685     hideColumn : function(colIndex){
 686         var cid = this.getColumnId(colIndex);
 687         this.css.updateRule(this.tdSelector+this.idToCssName(cid), "display", "none");
 688         this.css.updateRule(this.splitSelector+this.idToCssName(cid), "display", "none");
 689         if(Roo.isSafari){
 690             this.updateHeaders();
 691         }
 692         this.updateSplitters();
 693         this.layout();
 694     },
 695
 696     unhideColumn : function(colIndex){
 697         var cid = this.getColumnId(colIndex);
 698         this.css.updateRule(this.tdSelector+this.idToCssName(cid), "display", "");
 699         this.css.updateRule(this.splitSelector+this.idToCssName(cid), "display", "");
 700
 701         if(Roo.isSafari){
 702             this.updateHeaders();
 703         }
 704         this.updateSplitters();
 705         this.layout();
 706     },
 707
 708     insertRows : function(dm, firstRow, lastRow, isUpdate){
 709         if(firstRow == 0 && lastRow == dm.getCount()-1){
 710             this.refresh();
 711         }else{
 712             if(!isUpdate){
 713                 this.fireEvent("beforerowsinserted", this, firstRow, lastRow);
 714             }
 715             var s = this.getScrollState();
 716             var markup = this.renderRows(firstRow, lastRow);
 717             this.bufferRows(markup[0], this.getLockedTable(), firstRow);
 718             this.bufferRows(markup[1], this.getBodyTable(), firstRow);
 719             this.restoreScroll(s);
 720             if(!isUpdate){
 721                 this.fireEvent("rowsinserted", this, firstRow, lastRow);
 722                 this.syncRowHeights(firstRow, lastRow);
 723                 this.stripeRows(firstRow);
 724                 this.layout();
 725             }
 726         }
 727     },
 728
 729     bufferRows : function(markup, target, index){
 730         var before = null, trows = target.rows, tbody = target.tBodies[0];
 731         if(index < trows.length){
 732             before = trows[index];
 733         }
 734         var b = document.createElement("div");
 735         b.innerHTML = "<table><tbody>"+markup+"</tbody></table>";
 736         var rows = b.firstChild.rows;
 737         for(var i = 0, len = rows.length; i < len; i++){
 738             if(before){
 739                 tbody.insertBefore(rows[0], before);
 740             }else{
 741                 tbody.appendChild(rows[0]);
 742             }
 743         }
 744         b.innerHTML = "";
 745         b = null;
 746     },
 747
 748     deleteRows : function(dm, firstRow, lastRow){
 749         if(dm.getRowCount()<1){
 750             this.fireEvent("beforerefresh", this);
 751             this.mainBody.update("");
 752             this.lockedBody.update("");
 753             this.fireEvent("refresh", this);
 754         }else{
 755             this.fireEvent("beforerowsdeleted", this, firstRow, lastRow);
 756             var bt = this.getBodyTable();
 757             var tbody = bt.firstChild;
 758             var rows = bt.rows;
 759             for(var rowIndex = firstRow; rowIndex <= lastRow; rowIndex++){
 760                 tbody.removeChild(rows[firstRow]);
 761             }
 762             this.stripeRows(firstRow);
 763             this.fireEvent("rowsdeleted", this, firstRow, lastRow);
 764         }
 765     },
 766
 767     updateRows : function(dataSource, firstRow, lastRow){
 768         var s = this.getScrollState();
 769         this.refresh();
 770         this.restoreScroll(s);
 771     },
 772
 773     handleSort : function(dataSource, sortColumnIndex, sortDir, noRefresh){
 774         if(!noRefresh){
 775            this.refresh();
 776         }
 777         this.updateHeaderSortState();
 778     },
 779
 780     getScrollState : function(){
 781
 782         var sb = this.scroller.dom;
 783         return {left: sb.scrollLeft, top: sb.scrollTop};
 784     },
 785
 786     stripeRows : function(startRow){
 787         if(!this.grid.stripeRows || this.ds.getCount() < 1){
 788             return;
 789         }
 790         startRow = startRow || 0;
 791         var rows = this.getBodyTable().rows;
 792         var lrows = this.getLockedTable().rows;
 793         var cls = ' x-grid-row-alt ';
 794         for(var i = startRow, len = rows.length; i < len; i++){
 795             var row = rows[i], lrow = lrows[i];
 796             var isAlt = ((i+1) % 2 == 0);
 797             var hasAlt = (' '+row.className + ' ').indexOf(cls) != -1;
 798             if(isAlt == hasAlt){
 799                 continue;
 800             }
 801             if(isAlt){
 802                 row.className += " x-grid-row-alt";
 803             }else{
 804                 row.className = row.className.replace("x-grid-row-alt", "");
 805             }
 806             if(lrow){
 807                 lrow.className = row.className;
 808             }
 809         }
 810     },
 811
 812     restoreScroll : function(state){
 813         //Roo.log('GridView.restoreScroll');
 814         var sb = this.scroller.dom;
 815         sb.scrollLeft = state.left;
 816         sb.scrollTop = state.top;
 817         this.syncScroll();
 818     },
 819
 820     syncScroll : function(){
 821         //Roo.log('GridView.syncScroll');
 822         var sb = this.scroller.dom;
 823         var sh = this.mainHd.dom;
 824         var bs = this.mainBody.dom;
 825         var lv = this.lockedBody.dom;
 826         sh.scrollLeft = bs.scrollLeft = sb.scrollLeft;
 827         lv.scrollTop = bs.scrollTop = sb.scrollTop;
 828     },
 829
 830     handleScroll : function(e){
 831         this.syncScroll();
 832         var sb = this.scroller.dom;
 833         this.grid.fireEvent("bodyscroll", sb.scrollLeft, sb.scrollTop);
 834         e.stopEvent();
 835     },
 836
 837     handleWheel : function(e){
 838         var d = e.getWheelDelta();
 839         this.scroller.dom.scrollTop -= d*22;
 840         // set this here to prevent jumpy scrolling on large tables
 841         this.lockedBody.dom.scrollTop = this.mainBody.dom.scrollTop = this.scroller.dom.scrollTop;
 842         e.stopEvent();
 843     },
 844
 845     renderRows : function(startRow, endRow){
 846         // pull in all the crap needed to render rows
 847         var g = this.grid, cm = g.colModel, ds = g.dataSource, stripe = g.stripeRows;
 848         var colCount = cm.getColumnCount();
 849
 850         if(ds.getCount() < 1){
 851             return ["", ""];
 852         }
 853
 854         // build a map for all the columns
 855         var cs = [];
 856         for(var i = 0; i < colCount; i++){
 857             var name = cm.getDataIndex(i);
 858             cs[i] = {
 859                 name : typeof name == 'undefined' ? ds.fields.get(i).name : name,
 860                 renderer : cm.getRenderer(i),
 861                 id : cm.getColumnId(i),
 862                 locked : cm.isLocked(i),
 863                 has_editor : cm.isCellEditable(i)
 864             };
 865         }
 866
 867         startRow = startRow || 0;
 868         endRow = typeof endRow == "undefined"? ds.getCount()-1 : endRow;
 869
 870         // records to render
 871         var rs = ds.getRange(startRow, endRow);
 872
 873         return this.doRender(cs, rs, ds, startRow, colCount, stripe);
 874     },
 875
 876     // As much as I hate to duplicate code, this was branched because FireFox really hates
 877     // [].join("") on strings. The performance difference was substantial enough to
 878     // branch this function
 879     doRender : Roo.isGecko ?
 880             function(cs, rs, ds, startRow, colCount, stripe){
 881                 var ts = this.templates, ct = ts.cell, rt = ts.row;
 882                 // buffers
 883                 var buf = "", lbuf = "", cb, lcb, c, p = {}, rp = {}, r, rowIndex;
 884
 885                 var hasListener = this.grid.hasListener('rowclass');
 886                 var rowcfg = {};
 887                 for(var j = 0, len = rs.length; j < len; j++){
 888                     r = rs[j]; cb = ""; lcb = ""; rowIndex = (j+startRow);
 889                     for(var i = 0; i < colCount; i++){
 890                         c = cs[i];
 891                         p.cellId = "x-grid-cell-" + rowIndex + "-" + i;
 892                         p.id = c.id;
 893                         p.css = p.attr = "";
 894                         p.value = c.renderer(r.data[c.name], p, r, rowIndex, i, ds);
 895                         if(p.value == undefined || p.value === "") {
 896                             p.value = "&#160;";
 897                         }
 898                         if(c.has_editor){
 899                             p.css += ' x-grid-editable-cell';
 900                         }
 901                         if(c.dirty && typeof r.modified[c.name] !== 'undefined'){
 902                             p.css +=  ' x-grid-dirty-cell';
 903                         }
 904                         var markup = ct.apply(p);
 905                         if(!c.locked){
 906                             cb+= markup;
 907                         }else{
 908                             lcb+= markup;
 909                         }
 910                     }
 911                     var alt = [];
 912                     if(stripe && ((rowIndex+1) % 2 == 0)){
 913                         alt.push("x-grid-row-alt")
 914                     }
 915                     if(r.dirty){
 916                         alt.push(  " x-grid-dirty-row");
 917                     }
 918                     rp.cells = lcb;
 919                     if(this.getRowClass){
 920                         alt.push(this.getRowClass(r, rowIndex));
 921                     }
 922                     if (hasListener) {
 923                         rowcfg = {
 924
 925                             record: r,
 926                             rowIndex : rowIndex,
 927                             rowClass : ''
 928                         };
 929                         this.grid.fireEvent('rowclass', this, rowcfg);
 930                         alt.push(rowcfg.rowClass);
 931                     }
 932                     rp.alt = alt.join(" ");
 933                     lbuf+= rt.apply(rp);
 934                     rp.cells = cb;
 935                     buf+=  rt.apply(rp);
 936                 }
 937                 return [lbuf, buf];
 938             } :
 939             function(cs, rs, ds, startRow, colCount, stripe){
 940                 var ts = this.templates, ct = ts.cell, rt = ts.row;
 941                 // buffers
 942                 var buf = [], lbuf = [], cb, lcb, c, p = {}, rp = {}, r, rowIndex;
 943                 var hasListener = this.grid.hasListener('rowclass');
 944
 945                 var rowcfg = {};
 946                 for(var j = 0, len = rs.length; j < len; j++){
 947                     r = rs[j]; cb = []; lcb = []; rowIndex = (j+startRow);
 948                     for(var i = 0; i < colCount; i++){
 949                         c = cs[i];
 950                         p.cellId = "x-grid-cell-" + rowIndex + "-" + i;
 951                         p.id = c.id;
 952                         p.css = p.attr = "";
 953                         p.value = c.renderer(r.data[c.name], p, r, rowIndex, i, ds);
 954                         if(p.value == undefined || p.value === "") {
 955                             p.value = "&#160;";
 956                         }
 957                         //Roo.log(c);
 958                          if(c.has_editor){
 959                             p.css += ' x-grid-editable-cell';
 960                         }
 961                         if(r.dirty && typeof r.modified[c.name] !== 'undefined'){
 962                             p.css += ' x-grid-dirty-cell'
 963                         }
 964
 965                         var markup = ct.apply(p);
 966                         if(!c.locked){
 967                             cb[cb.length] = markup;
 968                         }else{
 969                             lcb[lcb.length] = markup;
 970                         }
 971                     }
 972                     var alt = [];
 973                     if(stripe && ((rowIndex+1) % 2 == 0)){
 974                         alt.push( "x-grid-row-alt");
 975                     }
 976                     if(r.dirty){
 977                         alt.push(" x-grid-dirty-row");
 978                     }
 979                     rp.cells = lcb;
 980                     if(this.getRowClass){
 981                         alt.push( this.getRowClass(r, rowIndex));
 982                     }
 983                     if (hasListener) {
 984                         rowcfg = {
 985
 986                             record: r,
 987                             rowIndex : rowIndex,
 988                             rowClass : ''
 989                         };
 990                         this.grid.fireEvent('rowclass', this, rowcfg);
 991                         alt.push(rowcfg.rowClass);
 992                     }
 993
 994                     rp.alt = alt.join(" ");
 995                     rp.cells = lcb.join("");
 996                     lbuf[lbuf.length] = rt.apply(rp);
 997                     rp.cells = cb.join("");
 998                     buf[buf.length] =  rt.apply(rp);
 999                 }
1000                 return [lbuf.join(""), buf.join("")];
1001             },
1002
1003     renderBody : function(){
1004         var markup = this.renderRows();
1005         var bt = this.templates.body;
1006         return [bt.apply({rows: markup[0]}), bt.apply({rows: markup[1]})];
1007     },
1008
1009     /**
1010      * Refreshes the grid
1011      * @param {Boolean} headersToo
1012      */
1013     refresh : function(headersToo){
1014         this.fireEvent("beforerefresh", this);
1015         this.grid.stopEditing();
1016         var result = this.renderBody();
1017         this.lockedBody.update(result[0]);
1018         this.mainBody.update(result[1]);
1019         if(headersToo === true){
1020             this.updateHeaders();
1021             this.updateColumns();
1022             this.updateSplitters();
1023             this.updateHeaderSortState();
1024         }
1025         this.syncRowHeights();
1026         this.layout();
1027         this.fireEvent("refresh", this);
1028     },
1029
1030     handleColumnMove : function(cm, oldIndex, newIndex){
1031         this.indexMap = null;
1032         var s = this.getScrollState();
1033         this.refresh(true);
1034         this.restoreScroll(s);
1035         this.afterMove(newIndex);
1036     },
1037
1038     afterMove : function(colIndex){
1039         if(this.enableMoveAnim && Roo.enableFx){
1040             this.fly(this.getHeaderCell(colIndex).firstChild).highlight(this.hlColor);
1041         }
1042         // if multisort - fix sortOrder, and reload..
1043         if (this.grid.dataSource.multiSort) {
1044             // the we can call sort again..
1045             var dm = this.grid.dataSource;
1046             var cm = this.grid.colModel;
1047             var so = [];
1048             for(var i = 0; i < cm.config.length; i++ ) {
1049
1050                 if ((typeof(dm.sortToggle[cm.config[i].dataIndex]) == 'undefined')) {
1051                     continue; // dont' bother, it's not in sort list or being set.
1052                 }
1053
1054                 so.push(cm.config[i].dataIndex);
1055             };
1056             dm.sortOrder = so;
1057             dm.load(dm.lastOptions);
1058
1059
1060         }
1061
1062     },
1063
1064     updateCell : function(dm, rowIndex, dataIndex){
1065         var colIndex = this.getColumnIndexByDataIndex(dataIndex);
1066         if(typeof colIndex == "undefined"){ // not present in grid
1067             return;
1068         }
1069         var cm = this.grid.colModel;
1070         var cell = this.getCell(rowIndex, colIndex);
1071         var cellText = this.getCellText(rowIndex, colIndex);
1072
1073         var p = {
1074             cellId : "x-grid-cell-" + rowIndex + "-" + colIndex,
1075             id : cm.getColumnId(colIndex),
1076             css: colIndex == cm.getColumnCount()-1 ? "x-grid-col-last" : ""
1077         };
1078         var renderer = cm.getRenderer(colIndex);
1079         var val = renderer(dm.getValueAt(rowIndex, dataIndex), p, rowIndex, colIndex, dm);
1080         if(typeof val == "undefined" || val === "") {
1081             val = "&#160;";
1082         }
1083         cellText.innerHTML = val;
1084         cell.className = this.cellClass + " " + this.idToCssName(p.cellId) + " " + p.css;
1085         this.syncRowHeights(rowIndex, rowIndex);
1086     },
1087
1088     calcColumnWidth : function(colIndex, maxRowsToMeasure){
1089         var maxWidth = 0;
1090         if(this.grid.autoSizeHeaders){
1091             var h = this.getHeaderCellMeasure(colIndex);
1092             maxWidth = Math.max(maxWidth, h.scrollWidth);
1093         }
1094         var tb, index;
1095         if(this.cm.isLocked(colIndex)){
1096             tb = this.getLockedTable();
1097             index = colIndex;
1098         }else{
1099             tb = this.getBodyTable();
1100             index = colIndex - this.cm.getLockedCount();
1101         }
1102         if(tb && tb.rows){
1103             var rows = tb.rows;
1104             var stopIndex = Math.min(maxRowsToMeasure || rows.length, rows.length);
1105             for(var i = 0; i < stopIndex; i++){
1106                 var cell = rows[i].childNodes[index].firstChild;
1107                 maxWidth = Math.max(maxWidth, cell.scrollWidth);
1108             }
1109         }
1110         return maxWidth + /*margin for error in IE*/ 5;
1111     },
1112     /**
1113      * Autofit a column to its content.
1114      * @param {Number} colIndex
1115      * @param {Boolean} forceMinSize true to force the column to go smaller if possible
1116      */
1117      autoSizeColumn : function(colIndex, forceMinSize, suppressEvent){
1118          if(this.cm.isHidden(colIndex)){
1119              return; // can't calc a hidden column
1120          }
1121         if(forceMinSize){
1122             var cid = this.cm.getColumnId(colIndex);
1123             this.css.updateRule(this.colSelector +this.idToCssName( cid), "width", this.grid.minColumnWidth + "px");
1124            if(this.grid.autoSizeHeaders){
1125                this.css.updateRule(this.hdSelector + this.idToCssName(cid), "width", this.grid.minColumnWidth + "px");
1126            }
1127         }
1128         var newWidth = this.calcColumnWidth(colIndex);
1129         this.cm.setColumnWidth(colIndex,
1130             Math.max(this.grid.minColumnWidth, newWidth), suppressEvent);
1131         if(!suppressEvent){
1132             this.grid.fireEvent("columnresize", colIndex, newWidth);
1133         }
1134     },
1135
1136     /**
1137      * Autofits all columns to their content and then expands to fit any extra space in the grid
1138      */
1139      autoSizeColumns : function(){
1140         var cm = this.grid.colModel;
1141         var colCount = cm.getColumnCount();
1142         for(var i = 0; i < colCount; i++){
1143             this.autoSizeColumn(i, true, true);
1144         }
1145         if(cm.getTotalWidth() < this.scroller.dom.clientWidth){
1146             this.fitColumns();
1147         }else{
1148             this.updateColumns();
1149             this.layout();
1150         }
1151     },
1152
1153     /**
1154      * Autofits all columns to the grid's width proportionate with their current size
1155      * @param {Boolean} reserveScrollSpace Reserve space for a scrollbar
1156      */
1157     fitColumns : function(reserveScrollSpace){
1158         var cm = this.grid.colModel;
1159         var colCount = cm.getColumnCount();
1160         var cols = [];
1161         var width = 0;
1162         var i, w;
1163         for (i = 0; i < colCount; i++){
1164             if(!cm.isHidden(i) && !cm.isFixed(i)){
1165                 w = cm.getColumnWidth(i);
1166                 cols.push(i);
1167                 cols.push(w);
1168                 width += w;
1169             }
1170         }
1171         var avail = Math.min(this.scroller.dom.clientWidth, this.el.getWidth());
1172         if(reserveScrollSpace){
1173             avail -= 17;
1174         }
1175         var frac = (avail - cm.getTotalWidth())/width;
1176         while (cols.length){
1177             w = cols.pop();
1178             i = cols.pop();
1179             cm.setColumnWidth(i, Math.floor(w + w*frac), true);
1180         }
1181         this.updateColumns();
1182         this.layout();
1183     },
1184
1185     onRowSelect : function(rowIndex){
1186         var row = this.getRowComposite(rowIndex);
1187         row.addClass("x-grid-row-selected");
1188     },
1189
1190     onRowDeselect : function(rowIndex){
1191         var row = this.getRowComposite(rowIndex);
1192         row.removeClass("x-grid-row-selected");
1193     },
1194
1195     onCellSelect : function(row, col){
1196         var cell = this.getCell(row, col);
1197         if(cell){
1198             Roo.fly(cell).addClass("x-grid-cell-selected");
1199         }
1200     },
1201
1202     onCellDeselect : function(row, col){
1203         var cell = this.getCell(row, col);
1204         if(cell){
1205             Roo.fly(cell).removeClass("x-grid-cell-selected");
1206         }
1207     },
1208
1209     updateHeaderSortState : function(){
1210
1211         // sort state can be single { field: xxx, direction : yyy}
1212         // or   { xxx=>ASC , yyy : DESC ..... }
1213
1214         var mstate = {};
1215         if (!this.ds.multiSort) {
1216             var state = this.ds.getSortState();
1217             if(!state){
1218                 return;
1219             }
1220             mstate[state.field] = state.direction;
1221             // FIXME... - this is not used here.. but might be elsewhere..
1222             this.sortState = state;
1223
1224         } else {
1225             mstate = this.ds.sortToggle;
1226         }
1227         //remove existing sort classes..
1228
1229         var sc = this.sortClasses;
1230         var hds = this.el.select(this.headerSelector).removeClass(sc);
1231
1232         for(var f in mstate) {
1233
1234             var sortColumn = this.cm.findColumnIndex(f);
1235
1236             if(sortColumn != -1){
1237                 var sortDir = mstate[f];
1238                 hds.item(sortColumn).addClass(sc[sortDir == "DESC" ? 1 : 0]);
1239             }
1240         }
1241
1242
1243
1244     },
1245
1246
1247     handleHeaderClick : function(g, index,e){
1248
1249         Roo.log("header click");
1250
1251         if (Roo.isTouch) {
1252             // touch events on header are handled by context
1253             this.handleHdCtx(g,index,e);
1254             return;
1255         }
1256
1257
1258         if(this.headersDisabled){
1259             return;
1260         }
1261         var dm = g.dataSource, cm = g.colModel;
1262         if(!cm.isSortable(index)){
1263             return;
1264         }
1265         g.stopEditing();
1266
1267         if (dm.multiSort) {
1268             // update the sortOrder
1269             var so = [];
1270             for(var i = 0; i < cm.config.length; i++ ) {
1271
1272                 if ((typeof(dm.sortToggle[cm.config[i].dataIndex]) == 'undefined') && (index != i)) {
1273                     continue; // dont' bother, it's not in sort list or being set.
1274                 }
1275
1276                 so.push(cm.config[i].dataIndex);
1277             };
1278             dm.sortOrder = so;
1279         }
1280
1281
1282         dm.sort(cm.getDataIndex(index));
1283     },
1284
1285
1286     destroy : function(){
1287         if(this.colMenu){
1288             this.colMenu.removeAll();
1289             Roo.menu.MenuMgr.unregister(this.colMenu);
1290             this.colMenu.getEl().remove();
1291             delete this.colMenu;
1292         }
1293         if(this.hmenu){
1294             this.hmenu.removeAll();
1295             Roo.menu.MenuMgr.unregister(this.hmenu);
1296             this.hmenu.getEl().remove();
1297             delete this.hmenu;
1298         }
1299         if(this.grid.enableColumnMove){
1300             var dds = Roo.dd.DDM.ids['gridHeader' + this.grid.getGridEl().id];
1301             if(dds){
1302                 for(var dd in dds){
1303                     if(!dds[dd].config.isTarget && dds[dd].dragElId){
1304                         var elid = dds[dd].dragElId;
1305                         dds[dd].unreg();
1306                         Roo.get(elid).remove();
1307                     } else if(dds[dd].config.isTarget){
1308                         dds[dd].proxyTop.remove();
1309                         dds[dd].proxyBottom.remove();
1310                         dds[dd].unreg();
1311                     }
1312                     if(Roo.dd.DDM.locationCache[dd]){
1313                         delete Roo.dd.DDM.locationCache[dd];
1314                     }
1315                 }
1316                 delete Roo.dd.DDM.ids['gridHeader' + this.grid.getGridEl().id];
1317             }
1318         }
1319         Roo.util.CSS.removeStyleSheet(this.idToCssName(this.grid.id) + '-cssrules');
1320         this.bind(null, null);
1321         Roo.EventManager.removeResizeListener(this.onWindowResize, this);
1322     },
1323
1324     handleLockChange : function(){
1325         this.refresh(true);
1326     },
1327
1328     onDenyColumnLock : function(){
1329
1330     },
1331
1332     onDenyColumnHide : function(){
1333
1334     },
1335
1336     handleHdMenuClick : function(item){
1337         var index = this.hdCtxIndex;
1338         var cm = this.cm, ds = this.ds;
1339         switch(item.id){
1340             case "asc":
1341                 ds.sort(cm.getDataIndex(index), "ASC");
1342                 break;
1343             case "desc":
1344                 ds.sort(cm.getDataIndex(index), "DESC");
1345                 break;
1346             case "lock":
1347                 var lc = cm.getLockedCount();
1348                 if(cm.getColumnCount(true) <= lc+1){
1349                     this.onDenyColumnLock();
1350                     return;
1351                 }
1352                 if(lc != index){
1353                     cm.setLocked(index, true, true);
1354                     cm.moveColumn(index, lc);
1355                     this.grid.fireEvent("columnmove", index, lc);
1356                 }else{
1357                     cm.setLocked(index, true);
1358                 }
1359             break;
1360             case "unlock":
1361                 var lc = cm.getLockedCount();
1362                 if((lc-1) != index){
1363                     cm.setLocked(index, false, true);
1364                     cm.moveColumn(index, lc-1);
1365                     this.grid.fireEvent("columnmove", index, lc-1);
1366                 }else{
1367                     cm.setLocked(index, false);
1368                 }
1369             break;
1370             case 'wider': // used to expand cols on touch..
1371             case 'narrow':
1372                 var cw = cm.getColumnWidth(index);
1373                 cw += (item.id == 'wider' ? 1 : -1) * 50;
1374                 cw = Math.max(0, cw);
1375                 cw = Math.min(cw,4000);
1376                 cm.setColumnWidth(index, cw);
1377                 break;
1378
1379             default:
1380                 index = cm.getIndexById(item.id.substr(4));
1381                 if(index != -1){
1382                     if(item.checked && cm.getColumnCount(true) <= 1){
1383                         this.onDenyColumnHide();
1384                         return false;
1385                     }
1386                     cm.setHidden(index, item.checked);
1387                 }
1388         }
1389         return true;
1390     },
1391
1392     beforeColMenuShow : function(){
1393         var cm = this.cm,  colCount = cm.getColumnCount();
1394         this.colMenu.removeAll();
1395         for(var i = 0; i < colCount; i++){
1396             this.colMenu.add(new Roo.menu.CheckItem({
1397                 id: "col-"+cm.getColumnId(i),
1398                 text: cm.getColumnHeader(i),
1399                 checked: !cm.isHidden(i),
1400                 hideOnClick:false
1401             }));
1402         }
1403     },
1404
1405     handleHdCtx : function(g, index, e){
1406         e.stopEvent();
1407         var hd = this.getHeaderCell(index);
1408         this.hdCtxIndex = index;
1409         var ms = this.hmenu.items, cm = this.cm;
1410         ms.get("asc").setDisabled(!cm.isSortable(index));
1411         ms.get("desc").setDisabled(!cm.isSortable(index));
1412         if(this.grid.enableColLock !== false){
1413             ms.get("lock").setDisabled(cm.isLocked(index));
1414             ms.get("unlock").setDisabled(!cm.isLocked(index));
1415         }
1416         this.hmenu.show(hd, "tl-bl");
1417     },
1418
1419     handleHdOver : function(e){
1420         var hd = this.findHeaderCell(e.getTarget());
1421         if(hd && !this.headersDisabled){
1422             if(this.grid.colModel.isSortable(this.getCellIndex(hd))){
1423                this.fly(hd).addClass("x-grid-hd-over");
1424             }
1425         }
1426     },
1427
1428     handleHdOut : function(e){
1429         var hd = this.findHeaderCell(e.getTarget());
1430         if(hd){
1431             this.fly(hd).removeClass("x-grid-hd-over");
1432         }
1433     },
1434
1435     handleSplitDblClick : function(e, t){
1436         var i = this.getCellIndex(t);
1437         if(this.grid.enableColumnResize !== false && this.cm.isResizable(i) && !this.cm.isFixed(i)){
1438             this.autoSizeColumn(i, true);
1439             this.layout();
1440         }
1441     },
1442
1443     render : function(){
1444
1445         var cm = this.cm;
1446         var colCount = cm.getColumnCount();
1447
1448         if(this.grid.monitorWindowResize === true){
1449             Roo.EventManager.onWindowResize(this.onWindowResize, this, true);
1450         }
1451         var header = this.renderHeaders();
1452         var body = this.templates.body.apply({rows:""});
1453         var html = this.templates.master.apply({
1454             lockedBody: body,
1455             body: body,
1456             lockedHeader: header[0],
1457             header: header[1]
1458         });
1459
1460         //this.updateColumns();
1461
1462         this.grid.getGridEl().dom.innerHTML = html;
1463
1464         this.initElements();
1465
1466         // a kludge to fix the random scolling effect in webkit
1467         this.el.on("scroll", function() {
1468             this.el.dom.scrollTop=0; // hopefully not recursive..
1469         },this);
1470
1471         this.scroller.on("scroll", this.handleScroll, this);
1472         this.lockedBody.on("mousewheel", this.handleWheel, this);
1473         this.mainBody.on("mousewheel", this.handleWheel, this);
1474
1475         this.mainHd.on("mouseover", this.handleHdOver, this);
1476         this.mainHd.on("mouseout", this.handleHdOut, this);
1477         this.mainHd.on("dblclick", this.handleSplitDblClick, this,
1478                 {delegate: "."+this.splitClass});
1479
1480         this.lockedHd.on("mouseover", this.handleHdOver, this);
1481         this.lockedHd.on("mouseout", this.handleHdOut, this);
1482         this.lockedHd.on("dblclick", this.handleSplitDblClick, this,
1483                 {delegate: "."+this.splitClass});
1484
1485         if(this.grid.enableColumnResize !== false && Roo.grid.SplitDragZone){
1486             new Roo.grid.SplitDragZone(this.grid, this.lockedHd.dom, this.mainHd.dom);
1487         }
1488
1489         this.updateSplitters();
1490
1491         if(this.grid.enableColumnMove && Roo.grid.HeaderDragZone){
1492             new Roo.grid.HeaderDragZone(this.grid, this.lockedHd.dom, this.mainHd.dom);
1493             new Roo.grid.HeaderDropZone(this.grid, this.lockedHd.dom, this.mainHd.dom);
1494         }
1495
1496         if(this.grid.enableCtxMenu !== false && Roo.menu.Menu){
1497             this.hmenu = new Roo.menu.Menu({id: this.grid.id + "-hctx"});
1498             this.hmenu.add(
1499                 {id:"asc", text: this.sortAscText, cls: "xg-hmenu-sort-asc"},
1500                 {id:"desc", text: this.sortDescText, cls: "xg-hmenu-sort-desc"}
1501             );
1502             if(this.grid.enableColLock !== false){
1503                 this.hmenu.add('-',
1504                     {id:"lock", text: this.lockText, cls: "xg-hmenu-lock"},
1505                     {id:"unlock", text: this.unlockText, cls: "xg-hmenu-unlock"}
1506                 );
1507             }
1508             if (Roo.isTouch) {
1509                  this.hmenu.add('-',
1510                     {id:"wider", text: this.columnsWiderText},
1511                     {id:"narrow", text: this.columnsNarrowText }
1512                 );
1513
1514
1515             }
1516
1517             if(this.grid.enableColumnHide !== false){
1518
1519                 this.colMenu = new Roo.menu.Menu({id:this.grid.id + "-hcols-menu"});
1520                 this.colMenu.on("beforeshow", this.beforeColMenuShow, this);
1521                 this.colMenu.on("itemclick", this.handleHdMenuClick, this);
1522
1523                 this.hmenu.add('-',
1524                     {id:"columns", text: this.columnsText, menu: this.colMenu}
1525                 );
1526             }
1527             this.hmenu.on("itemclick", this.handleHdMenuClick, this);
1528
1529             this.grid.on("headercontextmenu", this.handleHdCtx, this);
1530         }
1531
1532         if((this.grid.enableDragDrop || this.grid.enableDrag) && Roo.grid.GridDragZone){
1533             this.dd = new Roo.grid.GridDragZone(this.grid, {
1534                 ddGroup : this.grid.ddGroup || 'GridDD'
1535             });
1536
1537         }
1538
1539         /*
1540         for(var i = 0; i < colCount; i++){
1541             if(cm.isHidden(i)){
1542                 this.hideColumn(i);
1543             }
1544             if(cm.config[i].align){
1545                 this.css.updateRule(this.colSelector + i, "textAlign", cm.config[i].align);
1546                 this.css.updateRule(this.hdSelector + i, "textAlign", cm.config[i].align);
1547             }
1548         }*/
1549
1550         this.updateHeaderSortState();
1551
1552         this.beforeInitialResize();
1553         this.layout(true);
1554
1555         // two part rendering gives faster view to the user
1556         this.renderPhase2.defer(1, this);
1557     },
1558
1559     renderPhase2 : function(){
1560         // render the rows now
1561         this.refresh();
1562         if(this.grid.autoSizeColumns){
1563             this.autoSizeColumns();
1564         }
1565     },
1566
1567     beforeInitialResize : function(){
1568
1569     },
1570
1571     onColumnSplitterMoved : function(i, w){
1572         this.userResized = true;
1573         var cm = this.grid.colModel;
1574         cm.setColumnWidth(i, w, true);
1575         var cid = cm.getColumnId(i);
1576         this.css.updateRule(this.colSelector + this.idToCssName(cid), "width", (w-this.borderWidth) + "px");
1577         this.css.updateRule(this.hdSelector + this.idToCssName(cid), "width", (w-this.borderWidth) + "px");
1578         this.updateSplitters();
1579         this.layout();
1580         this.grid.fireEvent("columnresize", i, w);
1581     },
1582
1583     syncRowHeights : function(startIndex, endIndex){
1584         if(this.grid.enableRowHeightSync === true && this.cm.getLockedCount() > 0){
1585             startIndex = startIndex || 0;
1586             var mrows = this.getBodyTable().rows;
1587             var lrows = this.getLockedTable().rows;
1588             var len = mrows.length-1;
1589             endIndex = Math.min(endIndex || len, len);
1590             for(var i = startIndex; i <= endIndex; i++){
1591                 var m = mrows[i], l = lrows[i];
1592                 var h = Math.max(m.offsetHeight, l.offsetHeight);
1593                 m.style.height = l.style.height = h + "px";
1594             }
1595         }
1596     },
1597
1598     layout : function(initialRender, is2ndPass){
1599         var g = this.grid;
1600         var auto = g.autoHeight;
1601         var scrollOffset = 16;
1602         var c = g.getGridEl(), cm = this.cm,
1603                 expandCol = g.autoExpandColumn,
1604                 gv = this;
1605         //c.beginMeasure();
1606
1607         if(!c.dom.offsetWidth){ // display:none?
1608             if(initialRender){
1609                 this.lockedWrap.show();
1610                 this.mainWrap.show();
1611             }
1612             return;
1613         }
1614
1615         var hasLock = this.cm.isLocked(0);
1616
1617         var tbh = this.headerPanel.getHeight();
1618         var bbh = this.footerPanel.getHeight();
1619
1620         if(auto){
1621             var ch = this.getBodyTable().offsetHeight + tbh + bbh + this.mainHd.getHeight();
1622             var newHeight = ch + c.getBorderWidth("tb");
1623             if(g.maxHeight){
1624                 newHeight = Math.min(g.maxHeight, newHeight);
1625             }
1626             c.setHeight(newHeight);
1627         }
1628
1629         if(g.autoWidth){
1630             c.setWidth(cm.getTotalWidth()+c.getBorderWidth('lr'));
1631         }
1632
1633         var s = this.scroller;
1634
1635         var csize = c.getSize(true);
1636
1637         this.el.setSize(csize.width, csize.height);
1638
1639         this.headerPanel.setWidth(csize.width);
1640         this.footerPanel.setWidth(csize.width);
1641
1642         var hdHeight = this.mainHd.getHeight();
1643         var vw = csize.width;
1644         var vh = csize.height - (tbh + bbh);
1645
1646         s.setSize(vw, vh);
1647
1648         var bt = this.getBodyTable();
1649         var ltWidth = hasLock ?
1650                       Math.max(this.getLockedTable().offsetWidth, this.lockedHd.dom.firstChild.offsetWidth) : 0;
1651
1652         var scrollHeight = bt.offsetHeight;
1653         var scrollWidth = ltWidth + bt.offsetWidth;
1654         var vscroll = false, hscroll = false;
1655
1656         this.scrollSizer.setSize(scrollWidth, scrollHeight+hdHeight);
1657
1658         var lw = this.lockedWrap, mw = this.mainWrap;
1659         var lb = this.lockedBody, mb = this.mainBody;
1660
1661         setTimeout(function(){
1662             var t = s.dom.offsetTop;
1663             var w = s.dom.clientWidth,
1664                 h = s.dom.clientHeight;
1665
1666             lw.setTop(t);
1667             lw.setSize(ltWidth, h);
1668
1669             mw.setLeftTop(ltWidth, t);
1670             mw.setSize(w-ltWidth, h);
1671
1672             lb.setHeight(h-hdHeight);
1673             mb.setHeight(h-hdHeight);
1674
1675             if(is2ndPass !== true && !gv.userResized && expandCol){
1676                 // high speed resize without full column calculation
1677
1678                 var ci = cm.getIndexById(expandCol);
1679                 if (ci < 0) {
1680                     ci = cm.findColumnIndex(expandCol);
1681                 }
1682                 ci = Math.max(0, ci); // make sure it's got at least the first col.
1683                 var expandId = cm.getColumnId(ci);
1684                 var  tw = cm.getTotalWidth(false);
1685                 var currentWidth = cm.getColumnWidth(ci);
1686                 var cw = Math.min(Math.max(((w-tw)+currentWidth-2)-/*scrollbar*/(w <= s.dom.offsetWidth ? 0 : 18), g.autoExpandMin), g.autoExpandMax);
1687                 if(currentWidth != cw){
1688                     cm.setColumnWidth(ci, cw, true);
1689                     gv.css.updateRule(gv.colSelector+gv.idToCssName(expandId), "width", (cw - gv.borderWidth) + "px");
1690                     gv.css.updateRule(gv.hdSelector+gv.idToCssName(expandId), "width", (cw - gv.borderWidth) + "px");
1691                     gv.updateSplitters();
1692                     gv.layout(false, true);
1693                 }
1694             }
1695
1696             if(initialRender){
1697                 lw.show();
1698                 mw.show();
1699             }
1700             //c.endMeasure();
1701         }, 10);
1702     },
1703
1704     onWindowResize : function(){
1705         if(!this.grid.monitorWindowResize || this.grid.autoHeight){
1706             return;
1707         }
1708         this.layout();
1709     },
1710
1711     appendFooter : function(parentEl){
1712         return null;
1713     },
1714
1715     sortAscText : "Sort Ascending",
1716     sortDescText : "Sort Descending",
1717     lockText : "Lock Column",
1718     unlockText : "Unlock Column",
1719     columnsText : "Columns",
1720
1721     columnsWiderText : "Wider",
1722     columnsNarrowText : "Thinner"
1723 });
1724
1725
1726 Roo.grid.GridView.ColumnDragZone = function(grid, hd){
1727     Roo.grid.GridView.ColumnDragZone.superclass.constructor.call(this, grid, hd, null);
1728     this.proxy.el.addClass('x-grid3-col-dd');
1729 };
1730
1731 Roo.extend(Roo.grid.GridView.ColumnDragZone, Roo.grid.HeaderDragZone, {
1732     handleMouseDown : function(e){
1733
1734     },
1735
1736     callHandleMouseDown : function(e){
1737         Roo.grid.GridView.ColumnDragZone.superclass.handleMouseDown.call(this, e);
1738     }
1739 });