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         var source;
 403         if(colIndex < locked){
 404             source = this.lockedBody.dom.firstChild;
 405         }else{
 406             source = this.mainBody.dom.firstChild;
 407             colIndex -= locked;
 408         }
 409         return source.rows[rowIndex].childNodes[colIndex];
 410     },
 411
 412     getCellText : function(rowIndex, colIndex){
 413         return this.getCell(rowIndex, colIndex).firstChild.firstChild;
 414     },
 415
 416     getCellBox : function(cell){
 417         var b = this.fly(cell).getBox();
 418         if(Roo.isOpera){ // opera fails to report the Y
 419             b.y = cell.offsetTop + this.mainBody.getY();
 420         }
 421         return b;
 422     },
 423
 424     getCellIndex : function(cell){
 425         var id = String(cell.className).match(this.cellRE);
 426         if(id){
 427             return parseInt(id[1], 10);
 428         }
 429         return 0;
 430     },
 431
 432     findHeaderIndex : function(n){
 433         var r = Roo.fly(n).findParent("td." + this.hdClass, 6);
 434         return r ? this.getCellIndex(r) : false;
 435     },
 436
 437     findHeaderCell : function(n){
 438         var r = Roo.fly(n).findParent("td." + this.hdClass, 6);
 439         return r ? r : false;
 440     },
 441
 442     findRowIndex : function(n){
 443         if(!n){
 444             return false;
 445         }
 446         var r = Roo.fly(n).findParent("tr." + this.rowClass, 6);
 447         return r ? r.rowIndex : false;
 448     },
 449
 450     findCellIndex : function(node){
 451         var stop = this.el.dom;
 452         while(node && node != stop){
 453             if(this.findRE.test(node.className)){
 454                 return this.getCellIndex(node);
 455             }
 456             node = node.parentNode;
 457         }
 458         return false;
 459     },
 460
 461     getColumnId : function(index){
 462         return this.cm.getColumnId(index);
 463     },
 464
 465     getSplitters : function()
 466     {
 467         if(this.splitterSelector){
 468            return Roo.DomQuery.select(this.splitterSelector);
 469         }else{
 470             return null;
 471       }
 472     },
 473
 474     getSplitter : function(index){
 475         return this.getSplitters()[index];
 476     },
 477
 478     onRowOver : function(e, t){
 479         var row;
 480         if((row = this.findRowIndex(t)) !== false){
 481             this.getRowComposite(row).addClass("x-grid-row-over");
 482         }
 483     },
 484
 485     onRowOut : function(e, t){
 486         var row;
 487         if((row = this.findRowIndex(t)) !== false && row !== this.findRowIndex(e.getRelatedTarget())){
 488             this.getRowComposite(row).removeClass("x-grid-row-over");
 489         }
 490     },
 491
 492     renderHeaders : function(){
 493         var cm = this.cm;
 494         var ct = this.templates.hcell, ht = this.templates.header, st = this.templates.hsplit;
 495         var cb = [], lb = [], sb = [], lsb = [], p = {};
 496         for(var i = 0, len = cm.getColumnCount(); i < len; i++){
 497             p.cellId = "x-grid-hd-0-" + i;
 498             p.splitId = "x-grid-csplit-0-" + i;
 499             p.id = cm.getColumnId(i);
 500             p.title = cm.getColumnTooltip(i) || "";
 501             p.value = cm.getColumnHeader(i) || "";
 502             p.style = (this.grid.enableColumnResize === false || !cm.isResizable(i) || cm.isFixed(i)) ? 'cursor:default' : '';
 503             if(!cm.isLocked(i)){
 504                 cb[cb.length] = ct.apply(p);
 505                 sb[sb.length] = st.apply(p);
 506             }else{
 507                 lb[lb.length] = ct.apply(p);
 508                 lsb[lsb.length] = st.apply(p);
 509             }
 510         }
 511         return [ht.apply({cells: lb.join(""), splits:lsb.join("")}),
 512                 ht.apply({cells: cb.join(""), splits:sb.join("")})];
 513     },
 514
 515     updateHeaders : function(){
 516         var html = this.renderHeaders();
 517         this.lockedHd.update(html[0]);
 518         this.mainHd.update(html[1]);
 519     },
 520
 521     /**
 522      * Focuses the specified row.
 523      * @param {Number} row The row index
 524      */
 525     focusRow : function(row)
 526     {
 527         //Roo.log('GridView.focusRow');
 528         var x = this.scroller.dom.scrollLeft;
 529         this.focusCell(row, 0, false);
 530         this.scroller.dom.scrollLeft = x;
 531     },
 532
 533     /**
 534      * Focuses the specified cell.
 535      * @param {Number} row The row index
 536      * @param {Number} col The column index
 537      * @param {Boolean} hscroll false to disable horizontal scrolling
 538      */
 539     focusCell : function(row, col, hscroll)
 540     {
 541         //Roo.log('GridView.focusCell');
 542         var el = this.ensureVisible(row, col, hscroll);
 543         this.focusEl.alignTo(el, "tl-tl");
 544         if(Roo.isGecko){
 545             this.focusEl.focus();
 546         }else{
 547             this.focusEl.focus.defer(1, this.focusEl);
 548         }
 549     },
 550
 551     /**
 552      * Scrolls the specified cell into view
 553      * @param {Number} row The row index
 554      * @param {Number} col The column index
 555      * @param {Boolean} hscroll false to disable horizontal scrolling
 556      */
 557     ensureVisible : function(row, col, hscroll)
 558     {
 559         //Roo.log('GridView.ensureVisible,' + row + ',' + col);
 560         //return null; //disable for testing.
 561         if(typeof row != "number"){
 562             row = row.rowIndex;
 563         }
 564         if(row < 0 && row >= this.ds.getCount()){
 565             return  null;
 566         }
 567         col = (col !== undefined ? col : 0);
 568         var cm = this.grid.colModel;
 569         while(cm.isHidden(col)){
 570             col++;
 571         }
 572
 573         var el = this.getCell(row, col);
 574         if(!el){
 575             return null;
 576         }
 577         var c = this.scroller.dom;
 578
 579         var ctop = parseInt(el.offsetTop, 10);
 580         var cleft = parseInt(el.offsetLeft, 10);
 581         var cbot = ctop + el.offsetHeight;
 582         var cright = cleft + el.offsetWidth;
 583
 584         var ch = c.clientHeight - this.mainHd.dom.offsetHeight;
 585         var stop = parseInt(c.scrollTop, 10);
 586         var sleft = parseInt(c.scrollLeft, 10);
 587         var sbot = stop + ch;
 588         var sright = sleft + c.clientWidth;
 589         /*
 590         Roo.log('GridView.ensureVisible:' +
 591                 ' ctop:' + ctop +
 592                 ' c.clientHeight:' + c.clientHeight +
 593                 ' this.mainHd.dom.offsetHeight:' + this.mainHd.dom.offsetHeight +
 594                 ' stop:' + stop +
 595                 ' cbot:' + cbot +
 596                 ' sbot:' + sbot +
 597                 ' ch:' + ch
 598                 );
 599         */
 600         if(ctop < stop){
 601              c.scrollTop = ctop;
 602             //Roo.log("set scrolltop to ctop DISABLE?");
 603         }else if(cbot > sbot){
 604             //Roo.log("set scrolltop to cbot-ch");
 605             c.scrollTop = cbot-ch;
 606         }
 607
 608         if(hscroll !== false){
 609             if(cleft < sleft){
 610                 c.scrollLeft = cleft;
 611             }else if(cright > sright){
 612                 c.scrollLeft = cright-c.clientWidth;
 613             }
 614         }
 615
 616         return el;
 617     },
 618
 619     updateColumns : function(){
 620         this.grid.stopEditing();
 621         var cm = this.grid.colModel, colIds = this.getColumnIds();
 622         //var totalWidth = cm.getTotalWidth();
 623         var pos = 0;
 624         for(var i = 0, len = cm.getColumnCount(); i < len; i++){
 625             //if(cm.isHidden(i)) continue;
 626             var w = cm.getColumnWidth(i);
 627             this.css.updateRule(this.colSelector+this.idToCssName(colIds[i]), "width", (w - this.borderWidth) + "px");
 628             this.css.updateRule(this.hdSelector+this.idToCssName(colIds[i]), "width", (w - this.borderWidth) + "px");
 629         }
 630         this.updateSplitters();
 631     },
 632
 633     generateRules : function(cm){
 634         var ruleBuf = [], rulesId = this.idToCssName(this.grid.id)+ '-cssrules';
 635         Roo.util.CSS.removeStyleSheet(rulesId);
 636         for(var i = 0, len = cm.getColumnCount(); i < len; i++){
 637             var cid = cm.getColumnId(i);
 638             var align = '';
 639             if(cm.config[i].align){
 640                 align = 'text-align:'+cm.config[i].align+';';
 641             }
 642             var hidden = '';
 643             if(cm.isHidden(i)){
 644                 hidden = 'display:none;';
 645             }
 646             var width = "width:" + (cm.getColumnWidth(i) - this.borderWidth) + "px;";
 647             ruleBuf.push(
 648                     this.colSelector, cid, " {\n", cm.config[i].css, align, width, "\n}\n",
 649                     this.hdSelector, cid, " {\n", align, width, "}\n",
 650                     this.tdSelector, cid, " {\n",hidden,"\n}\n",
 651                     this.splitSelector, cid, " {\n", hidden , "\n}\n");
 652         }
 653         return Roo.util.CSS.createStyleSheet(ruleBuf.join(""), rulesId);
 654     },
 655
 656     updateSplitters : function(){
 657         var cm = this.cm, s = this.getSplitters();
 658         if(s){ // splitters not created yet
 659             var pos = 0, locked = true;
 660             for(var i = 0, len = cm.getColumnCount(); i < len; i++){
 661                 if(cm.isHidden(i)) {
 662                     continue;
 663                 }
 664                 var w = cm.getColumnWidth(i); // make sure it's a number
 665                 if(!cm.isLocked(i) && locked){
 666                     pos = 0;
 667                     locked = false;
 668                 }
 669                 pos += w;
 670                 s[i].style.left = (pos-this.splitOffset) + "px";
 671             }
 672         }
 673     },
 674
 675     handleHiddenChange : function(colModel, colIndex, hidden){
 676         if(hidden){
 677             this.hideColumn(colIndex);
 678         }else{
 679             this.unhideColumn(colIndex);
 680         }
 681     },
 682
 683     hideColumn : function(colIndex){
 684         var cid = this.getColumnId(colIndex);
 685         this.css.updateRule(this.tdSelector+this.idToCssName(cid), "display", "none");
 686         this.css.updateRule(this.splitSelector+this.idToCssName(cid), "display", "none");
 687         if(Roo.isSafari){
 688             this.updateHeaders();
 689         }
 690         this.updateSplitters();
 691         this.layout();
 692     },
 693
 694     unhideColumn : function(colIndex){
 695         var cid = this.getColumnId(colIndex);
 696         this.css.updateRule(this.tdSelector+this.idToCssName(cid), "display", "");
 697         this.css.updateRule(this.splitSelector+this.idToCssName(cid), "display", "");
 698
 699         if(Roo.isSafari){
 700             this.updateHeaders();
 701         }
 702         this.updateSplitters();
 703         this.layout();
 704     },
 705
 706     insertRows : function(dm, firstRow, lastRow, isUpdate){
 707         if(firstRow == 0 && lastRow == dm.getCount()-1){
 708             this.refresh();
 709         }else{
 710             if(!isUpdate){
 711                 this.fireEvent("beforerowsinserted", this, firstRow, lastRow);
 712             }
 713             var s = this.getScrollState();
 714             var markup = this.renderRows(firstRow, lastRow);
 715             this.bufferRows(markup[0], this.getLockedTable(), firstRow);
 716             this.bufferRows(markup[1], this.getBodyTable(), firstRow);
 717             this.restoreScroll(s);
 718             if(!isUpdate){
 719                 this.fireEvent("rowsinserted", this, firstRow, lastRow);
 720                 this.syncRowHeights(firstRow, lastRow);
 721                 this.stripeRows(firstRow);
 722                 this.layout();
 723             }
 724         }
 725     },
 726
 727     bufferRows : function(markup, target, index){
 728         var before = null, trows = target.rows, tbody = target.tBodies[0];
 729         if(index < trows.length){
 730             before = trows[index];
 731         }
 732         var b = document.createElement("div");
 733         b.innerHTML = "<table><tbody>"+markup+"</tbody></table>";
 734         var rows = b.firstChild.rows;
 735         for(var i = 0, len = rows.length; i < len; i++){
 736             if(before){
 737                 tbody.insertBefore(rows[0], before);
 738             }else{
 739                 tbody.appendChild(rows[0]);
 740             }
 741         }
 742         b.innerHTML = "";
 743         b = null;
 744     },
 745
 746     deleteRows : function(dm, firstRow, lastRow){
 747         if(dm.getRowCount()<1){
 748             this.fireEvent("beforerefresh", this);
 749             this.mainBody.update("");
 750             this.lockedBody.update("");
 751             this.fireEvent("refresh", this);
 752         }else{
 753             this.fireEvent("beforerowsdeleted", this, firstRow, lastRow);
 754             var bt = this.getBodyTable();
 755             var tbody = bt.firstChild;
 756             var rows = bt.rows;
 757             for(var rowIndex = firstRow; rowIndex <= lastRow; rowIndex++){
 758                 tbody.removeChild(rows[firstRow]);
 759             }
 760             this.stripeRows(firstRow);
 761             this.fireEvent("rowsdeleted", this, firstRow, lastRow);
 762         }
 763     },
 764
 765     updateRows : function(dataSource, firstRow, lastRow){
 766         var s = this.getScrollState();
 767         this.refresh();
 768         this.restoreScroll(s);
 769     },
 770
 771     handleSort : function(dataSource, sortColumnIndex, sortDir, noRefresh){
 772         if(!noRefresh){
 773            this.refresh();
 774         }
 775         this.updateHeaderSortState();
 776     },
 777
 778     getScrollState : function(){
 779
 780         var sb = this.scroller.dom;
 781         return {left: sb.scrollLeft, top: sb.scrollTop};
 782     },
 783
 784     stripeRows : function(startRow){
 785         if(!this.grid.stripeRows || this.ds.getCount() < 1){
 786             return;
 787         }
 788         startRow = startRow || 0;
 789         var rows = this.getBodyTable().rows;
 790         var lrows = this.getLockedTable().rows;
 791         var cls = ' x-grid-row-alt ';
 792         for(var i = startRow, len = rows.length; i < len; i++){
 793             var row = rows[i], lrow = lrows[i];
 794             var isAlt = ((i+1) % 2 == 0);
 795             var hasAlt = (' '+row.className + ' ').indexOf(cls) != -1;
 796             if(isAlt == hasAlt){
 797                 continue;
 798             }
 799             if(isAlt){
 800                 row.className += " x-grid-row-alt";
 801             }else{
 802                 row.className = row.className.replace("x-grid-row-alt", "");
 803             }
 804             if(lrow){
 805                 lrow.className = row.className;
 806             }
 807         }
 808     },
 809
 810     restoreScroll : function(state){
 811         //Roo.log('GridView.restoreScroll');
 812         var sb = this.scroller.dom;
 813         sb.scrollLeft = state.left;
 814         sb.scrollTop = state.top;
 815         this.syncScroll();
 816     },
 817
 818     syncScroll : function(){
 819         //Roo.log('GridView.syncScroll');
 820         var sb = this.scroller.dom;
 821         var sh = this.mainHd.dom;
 822         var bs = this.mainBody.dom;
 823         var lv = this.lockedBody.dom;
 824         sh.scrollLeft = bs.scrollLeft = sb.scrollLeft;
 825         lv.scrollTop = bs.scrollTop = sb.scrollTop;
 826     },
 827
 828     handleScroll : function(e){
 829         Roo.log('calling herer??????');
 830         this.syncScroll();
 831         var sb = this.scroller.dom;
 832         this.grid.fireEvent("bodyscroll", sb.scrollLeft, sb.scrollTop);
 833         e.stopEvent();
 834     },
 835
 836     handleWheel : function(e){
 837         Roo.log('calling handle Wheel???????????????????');
 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             };
 864         }
 865
 866         startRow = startRow || 0;
 867         endRow = typeof endRow == "undefined"? ds.getCount()-1 : endRow;
 868
 869         // records to render
 870         var rs = ds.getRange(startRow, endRow);
 871
 872         return this.doRender(cs, rs, ds, startRow, colCount, stripe);
 873     },
 874
 875     // As much as I hate to duplicate code, this was branched because FireFox really hates
 876     // [].join("") on strings. The performance difference was substantial enough to
 877     // branch this function
 878     doRender : Roo.isGecko ?
 879             function(cs, rs, ds, startRow, colCount, stripe){
 880                 var ts = this.templates, ct = ts.cell, rt = ts.row;
 881                 // buffers
 882                 var buf = "", lbuf = "", cb, lcb, c, p = {}, rp = {}, r, rowIndex;
 883
 884                 var hasListener = this.grid.hasListener('rowclass');
 885                 var rowcfg = {};
 886                 for(var j = 0, len = rs.length; j < len; j++){
 887                     r = rs[j]; cb = ""; lcb = ""; rowIndex = (j+startRow);
 888                     for(var i = 0; i < colCount; i++){
 889                         c = cs[i];
 890                         p.cellId = "x-grid-cell-" + rowIndex + "-" + i;
 891                         p.id = c.id;
 892                         p.css = p.attr = "";
 893                         p.value = c.renderer(r.data[c.name], p, r, rowIndex, i, ds);
 894                         if(p.value == undefined || p.value === "") {
 895                             p.value = "&#160;";
 896                         }
 897                         if(r.dirty && typeof r.modified[c.name] !== 'undefined'){
 898                             p.css += p.css ? ' x-grid-dirty-cell' : 'x-grid-dirty-cell';
 899                         }
 900                         var markup = ct.apply(p);
 901                         if(!c.locked){
 902                             cb+= markup;
 903                         }else{
 904                             lcb+= markup;
 905                         }
 906                     }
 907                     var alt = [];
 908                     if(stripe && ((rowIndex+1) % 2 == 0)){
 909                         alt.push("x-grid-row-alt")
 910                     }
 911                     if(r.dirty){
 912                         alt.push(  " x-grid-dirty-row");
 913                     }
 914                     rp.cells = lcb;
 915                     if(this.getRowClass){
 916                         alt.push(this.getRowClass(r, rowIndex));
 917                     }
 918                     if (hasListener) {
 919                         rowcfg = {
 920
 921                             record: r,
 922                             rowIndex : rowIndex,
 923                             rowClass : ''
 924                         };
 925                         this.grid.fireEvent('rowclass', this, rowcfg);
 926                         alt.push(rowcfg.rowClass);
 927                     }
 928                     rp.alt = alt.join(" ");
 929                     lbuf+= rt.apply(rp);
 930                     rp.cells = cb;
 931                     buf+=  rt.apply(rp);
 932                 }
 933                 return [lbuf, buf];
 934             } :
 935             function(cs, rs, ds, startRow, colCount, stripe){
 936                 var ts = this.templates, ct = ts.cell, rt = ts.row;
 937                 // buffers
 938                 var buf = [], lbuf = [], cb, lcb, c, p = {}, rp = {}, r, rowIndex;
 939                 var hasListener = this.grid.hasListener('rowclass');
 940
 941                 var rowcfg = {};
 942                 for(var j = 0, len = rs.length; j < len; j++){
 943                     r = rs[j]; cb = []; lcb = []; rowIndex = (j+startRow);
 944                     for(var i = 0; i < colCount; i++){
 945                         c = cs[i];
 946                         p.cellId = "x-grid-cell-" + rowIndex + "-" + i;
 947                         p.id = c.id;
 948                         p.css = p.attr = "";
 949                         p.value = c.renderer(r.data[c.name], p, r, rowIndex, i, ds);
 950                         if(p.value == undefined || p.value === "") {
 951                             p.value = "&#160;";
 952                         }
 953                         if(r.dirty && typeof r.modified[c.name] !== 'undefined'){
 954                             p.css += p.css ? ' x-grid-dirty-cell' : 'x-grid-dirty-cell';
 955                         }
 956
 957                         var markup = ct.apply(p);
 958                         if(!c.locked){
 959                             cb[cb.length] = markup;
 960                         }else{
 961                             lcb[lcb.length] = markup;
 962                         }
 963                     }
 964                     var alt = [];
 965                     if(stripe && ((rowIndex+1) % 2 == 0)){
 966                         alt.push( "x-grid-row-alt");
 967                     }
 968                     if(r.dirty){
 969                         alt.push(" x-grid-dirty-row");
 970                     }
 971                     rp.cells = lcb;
 972                     if(this.getRowClass){
 973                         alt.push( this.getRowClass(r, rowIndex));
 974                     }
 975                     if (hasListener) {
 976                         rowcfg = {
 977
 978                             record: r,
 979                             rowIndex : rowIndex,
 980                             rowClass : ''
 981                         };
 982                         this.grid.fireEvent('rowclass', this, rowcfg);
 983                         alt.push(rowcfg.rowClass);
 984                     }
 985                     rp.alt = alt.join(" ");
 986                     rp.cells = lcb.join("");
 987                     lbuf[lbuf.length] = rt.apply(rp);
 988                     rp.cells = cb.join("");
 989                     buf[buf.length] =  rt.apply(rp);
 990                 }
 991                 return [lbuf.join(""), buf.join("")];
 992             },
 993
 994     renderBody : function(){
 995         var markup = this.renderRows();
 996         var bt = this.templates.body;
 997         return [bt.apply({rows: markup[0]}), bt.apply({rows: markup[1]})];
 998     },
 999
1000     /**
1001      * Refreshes the grid
1002      * @param {Boolean} headersToo
1003      */
1004     refresh : function(headersToo){
1005         this.fireEvent("beforerefresh", this);
1006         this.grid.stopEditing();
1007         var result = this.renderBody();
1008         this.lockedBody.update(result[0]);
1009         this.mainBody.update(result[1]);
1010         if(headersToo === true){
1011             this.updateHeaders();
1012             this.updateColumns();
1013             this.updateSplitters();
1014             this.updateHeaderSortState();
1015         }
1016         this.syncRowHeights();
1017         this.layout();
1018         this.fireEvent("refresh", this);
1019     },
1020
1021     handleColumnMove : function(cm, oldIndex, newIndex){
1022         this.indexMap = null;
1023         var s = this.getScrollState();
1024         this.refresh(true);
1025         this.restoreScroll(s);
1026         this.afterMove(newIndex);
1027     },
1028
1029     afterMove : function(colIndex){
1030         if(this.enableMoveAnim && Roo.enableFx){
1031             this.fly(this.getHeaderCell(colIndex).firstChild).highlight(this.hlColor);
1032         }
1033         // if multisort - fix sortOrder, and reload..
1034         if (this.grid.dataSource.multiSort) {
1035             // the we can call sort again..
1036             var dm = this.grid.dataSource;
1037             var cm = this.grid.colModel;
1038             var so = [];
1039             for(var i = 0; i < cm.config.length; i++ ) {
1040
1041                 if ((typeof(dm.sortToggle[cm.config[i].dataIndex]) == 'undefined')) {
1042                     continue; // dont' bother, it's not in sort list or being set.
1043                 }
1044
1045                 so.push(cm.config[i].dataIndex);
1046             };
1047             dm.sortOrder = so;
1048             dm.load(dm.lastOptions);
1049
1050
1051         }
1052
1053     },
1054
1055     updateCell : function(dm, rowIndex, dataIndex){
1056         var colIndex = this.getColumnIndexByDataIndex(dataIndex);
1057         if(typeof colIndex == "undefined"){ // not present in grid
1058             return;
1059         }
1060         var cm = this.grid.colModel;
1061         var cell = this.getCell(rowIndex, colIndex);
1062         var cellText = this.getCellText(rowIndex, colIndex);
1063
1064         var p = {
1065             cellId : "x-grid-cell-" + rowIndex + "-" + colIndex,
1066             id : cm.getColumnId(colIndex),
1067             css: colIndex == cm.getColumnCount()-1 ? "x-grid-col-last" : ""
1068         };
1069         var renderer = cm.getRenderer(colIndex);
1070         var val = renderer(dm.getValueAt(rowIndex, dataIndex), p, rowIndex, colIndex, dm);
1071         if(typeof val == "undefined" || val === "") {
1072             val = "&#160;";
1073         }
1074         cellText.innerHTML = val;
1075         cell.className = this.cellClass + " " + this.idToCssName(p.cellId) + " " + p.css;
1076         this.syncRowHeights(rowIndex, rowIndex);
1077     },
1078
1079     calcColumnWidth : function(colIndex, maxRowsToMeasure){
1080         var maxWidth = 0;
1081         if(this.grid.autoSizeHeaders){
1082             var h = this.getHeaderCellMeasure(colIndex);
1083             maxWidth = Math.max(maxWidth, h.scrollWidth);
1084         }
1085         var tb, index;
1086         if(this.cm.isLocked(colIndex)){
1087             tb = this.getLockedTable();
1088             index = colIndex;
1089         }else{
1090             tb = this.getBodyTable();
1091             index = colIndex - this.cm.getLockedCount();
1092         }
1093         if(tb && tb.rows){
1094             var rows = tb.rows;
1095             var stopIndex = Math.min(maxRowsToMeasure || rows.length, rows.length);
1096             for(var i = 0; i < stopIndex; i++){
1097                 var cell = rows[i].childNodes[index].firstChild;
1098                 maxWidth = Math.max(maxWidth, cell.scrollWidth);
1099             }
1100         }
1101         return maxWidth + /*margin for error in IE*/ 5;
1102     },
1103     /**
1104      * Autofit a column to its content.
1105      * @param {Number} colIndex
1106      * @param {Boolean} forceMinSize true to force the column to go smaller if possible
1107      */
1108      autoSizeColumn : function(colIndex, forceMinSize, suppressEvent){
1109          if(this.cm.isHidden(colIndex)){
1110              return; // can't calc a hidden column
1111          }
1112         if(forceMinSize){
1113             var cid = this.cm.getColumnId(colIndex);
1114             this.css.updateRule(this.colSelector +this.idToCssName( cid), "width", this.grid.minColumnWidth + "px");
1115            if(this.grid.autoSizeHeaders){
1116                this.css.updateRule(this.hdSelector + this.idToCssName(cid), "width", this.grid.minColumnWidth + "px");
1117            }
1118         }
1119         var newWidth = this.calcColumnWidth(colIndex);
1120         this.cm.setColumnWidth(colIndex,
1121             Math.max(this.grid.minColumnWidth, newWidth), suppressEvent);
1122         if(!suppressEvent){
1123             this.grid.fireEvent("columnresize", colIndex, newWidth);
1124         }
1125     },
1126
1127     /**
1128      * Autofits all columns to their content and then expands to fit any extra space in the grid
1129      */
1130      autoSizeColumns : function(){
1131         var cm = this.grid.colModel;
1132         var colCount = cm.getColumnCount();
1133         for(var i = 0; i < colCount; i++){
1134             this.autoSizeColumn(i, true, true);
1135         }
1136         if(cm.getTotalWidth() < this.scroller.dom.clientWidth){
1137             this.fitColumns();
1138         }else{
1139             this.updateColumns();
1140             this.layout();
1141         }
1142     },
1143
1144     /**
1145      * Autofits all columns to the grid's width proportionate with their current size
1146      * @param {Boolean} reserveScrollSpace Reserve space for a scrollbar
1147      */
1148     fitColumns : function(reserveScrollSpace){
1149         var cm = this.grid.colModel;
1150         var colCount = cm.getColumnCount();
1151         var cols = [];
1152         var width = 0;
1153         var i, w;
1154         for (i = 0; i < colCount; i++){
1155             if(!cm.isHidden(i) && !cm.isFixed(i)){
1156                 w = cm.getColumnWidth(i);
1157                 cols.push(i);
1158                 cols.push(w);
1159                 width += w;
1160             }
1161         }
1162         var avail = Math.min(this.scroller.dom.clientWidth, this.el.getWidth());
1163         if(reserveScrollSpace){
1164             avail -= 17;
1165         }
1166         var frac = (avail - cm.getTotalWidth())/width;
1167         while (cols.length){
1168             w = cols.pop();
1169             i = cols.pop();
1170             cm.setColumnWidth(i, Math.floor(w + w*frac), true);
1171         }
1172         this.updateColumns();
1173         this.layout();
1174     },
1175
1176     onRowSelect : function(rowIndex){
1177         var row = this.getRowComposite(rowIndex);
1178         row.addClass("x-grid-row-selected");
1179     },
1180
1181     onRowDeselect : function(rowIndex){
1182         var row = this.getRowComposite(rowIndex);
1183         row.removeClass("x-grid-row-selected");
1184     },
1185
1186     onCellSelect : function(row, col){
1187         var cell = this.getCell(row, col);
1188         if(cell){
1189             Roo.fly(cell).addClass("x-grid-cell-selected");
1190         }
1191     },
1192
1193     onCellDeselect : function(row, col){
1194         var cell = this.getCell(row, col);
1195         if(cell){
1196             Roo.fly(cell).removeClass("x-grid-cell-selected");
1197         }
1198     },
1199
1200     updateHeaderSortState : function(){
1201
1202         // sort state can be single { field: xxx, direction : yyy}
1203         // or   { xxx=>ASC , yyy : DESC ..... }
1204
1205         var mstate = {};
1206         if (!this.ds.multiSort) {
1207             var state = this.ds.getSortState();
1208             if(!state){
1209                 return;
1210             }
1211             mstate[state.field] = state.direction;
1212             // FIXME... - this is not used here.. but might be elsewhere..
1213             this.sortState = state;
1214
1215         } else {
1216             mstate = this.ds.sortToggle;
1217         }
1218         //remove existing sort classes..
1219
1220         var sc = this.sortClasses;
1221         var hds = this.el.select(this.headerSelector).removeClass(sc);
1222
1223         for(var f in mstate) {
1224
1225             var sortColumn = this.cm.findColumnIndex(f);
1226
1227             if(sortColumn != -1){
1228                 var sortDir = mstate[f];
1229                 hds.item(sortColumn).addClass(sc[sortDir == "DESC" ? 1 : 0]);
1230             }
1231         }
1232
1233
1234
1235     },
1236
1237
1238     handleHeaderClick : function(g, index,e){
1239
1240         Roo.log("header click");
1241
1242         if (Roo.isTouch) {
1243             // touch events on header are handled by context
1244             this.handleHdCtx(g,index,e);
1245             return;
1246         }
1247
1248
1249         if(this.headersDisabled){
1250             return;
1251         }
1252         var dm = g.dataSource, cm = g.colModel;
1253         if(!cm.isSortable(index)){
1254             return;
1255         }
1256         g.stopEditing();
1257
1258         if (dm.multiSort) {
1259             // update the sortOrder
1260             var so = [];
1261             for(var i = 0; i < cm.config.length; i++ ) {
1262
1263                 if ((typeof(dm.sortToggle[cm.config[i].dataIndex]) == 'undefined') && (index != i)) {
1264                     continue; // dont' bother, it's not in sort list or being set.
1265                 }
1266
1267                 so.push(cm.config[i].dataIndex);
1268             };
1269             dm.sortOrder = so;
1270         }
1271
1272
1273         dm.sort(cm.getDataIndex(index));
1274     },
1275
1276
1277     destroy : function(){
1278         if(this.colMenu){
1279             this.colMenu.removeAll();
1280             Roo.menu.MenuMgr.unregister(this.colMenu);
1281             this.colMenu.getEl().remove();
1282             delete this.colMenu;
1283         }
1284         if(this.hmenu){
1285             this.hmenu.removeAll();
1286             Roo.menu.MenuMgr.unregister(this.hmenu);
1287             this.hmenu.getEl().remove();
1288             delete this.hmenu;
1289         }
1290         if(this.grid.enableColumnMove){
1291             var dds = Roo.dd.DDM.ids['gridHeader' + this.grid.getGridEl().id];
1292             if(dds){
1293                 for(var dd in dds){
1294                     if(!dds[dd].config.isTarget && dds[dd].dragElId){
1295                         var elid = dds[dd].dragElId;
1296                         dds[dd].unreg();
1297                         Roo.get(elid).remove();
1298                     } else if(dds[dd].config.isTarget){
1299                         dds[dd].proxyTop.remove();
1300                         dds[dd].proxyBottom.remove();
1301                         dds[dd].unreg();
1302                     }
1303                     if(Roo.dd.DDM.locationCache[dd]){
1304                         delete Roo.dd.DDM.locationCache[dd];
1305                     }
1306                 }
1307                 delete Roo.dd.DDM.ids['gridHeader' + this.grid.getGridEl().id];
1308             }
1309         }
1310         Roo.util.CSS.removeStyleSheet(this.idToCssName(this.grid.id) + '-cssrules');
1311         this.bind(null, null);
1312         Roo.EventManager.removeResizeListener(this.onWindowResize, this);
1313     },
1314
1315     handleLockChange : function(){
1316         this.refresh(true);
1317     },
1318
1319     onDenyColumnLock : function(){
1320
1321     },
1322
1323     onDenyColumnHide : function(){
1324
1325     },
1326
1327     handleHdMenuClick : function(item){
1328         var index = this.hdCtxIndex;
1329         var cm = this.cm, ds = this.ds;
1330         switch(item.id){
1331             case "asc":
1332                 ds.sort(cm.getDataIndex(index), "ASC");
1333                 break;
1334             case "desc":
1335                 ds.sort(cm.getDataIndex(index), "DESC");
1336                 break;
1337             case "lock":
1338                 var lc = cm.getLockedCount();
1339                 if(cm.getColumnCount(true) <= lc+1){
1340                     this.onDenyColumnLock();
1341                     return;
1342                 }
1343                 if(lc != index){
1344                     cm.setLocked(index, true, true);
1345                     cm.moveColumn(index, lc);
1346                     this.grid.fireEvent("columnmove", index, lc);
1347                 }else{
1348                     cm.setLocked(index, true);
1349                 }
1350             break;
1351             case "unlock":
1352                 var lc = cm.getLockedCount();
1353                 if((lc-1) != index){
1354                     cm.setLocked(index, false, true);
1355                     cm.moveColumn(index, lc-1);
1356                     this.grid.fireEvent("columnmove", index, lc-1);
1357                 }else{
1358                     cm.setLocked(index, false);
1359                 }
1360             break;
1361             case 'wider': // used to expand cols on touch..
1362             case 'narrow':
1363                 var cw = cm.getColumnWidth(index);
1364                 cw += (item.id == 'wider' ? 1 : -1) * 50;
1365                 cw = Math.max(0, cw);
1366                 cw = Math.min(cw,4000);
1367                 cm.setColumnWidth(index, cw);
1368                 break;
1369
1370             default:
1371                 index = cm.getIndexById(item.id.substr(4));
1372                 if(index != -1){
1373                     if(item.checked && cm.getColumnCount(true) <= 1){
1374                         this.onDenyColumnHide();
1375                         return false;
1376                     }
1377                     cm.setHidden(index, item.checked);
1378                 }
1379         }
1380         return true;
1381     },
1382
1383     beforeColMenuShow : function(){
1384         var cm = this.cm,  colCount = cm.getColumnCount();
1385         this.colMenu.removeAll();
1386         for(var i = 0; i < colCount; i++){
1387             this.colMenu.add(new Roo.menu.CheckItem({
1388                 id: "col-"+cm.getColumnId(i),
1389                 text: cm.getColumnHeader(i),
1390                 checked: !cm.isHidden(i),
1391                 hideOnClick:false
1392             }));
1393         }
1394     },
1395
1396     handleHdCtx : function(g, index, e){
1397         e.stopEvent();
1398         var hd = this.getHeaderCell(index);
1399         this.hdCtxIndex = index;
1400         var ms = this.hmenu.items, cm = this.cm;
1401         ms.get("asc").setDisabled(!cm.isSortable(index));
1402         ms.get("desc").setDisabled(!cm.isSortable(index));
1403         if(this.grid.enableColLock !== false){
1404             ms.get("lock").setDisabled(cm.isLocked(index));
1405             ms.get("unlock").setDisabled(!cm.isLocked(index));
1406         }
1407         this.hmenu.show(hd, "tl-bl");
1408     },
1409
1410     handleHdOver : function(e){
1411         var hd = this.findHeaderCell(e.getTarget());
1412         if(hd && !this.headersDisabled){
1413             if(this.grid.colModel.isSortable(this.getCellIndex(hd))){
1414                this.fly(hd).addClass("x-grid-hd-over");
1415             }
1416         }
1417     },
1418
1419     handleHdOut : function(e){
1420         var hd = this.findHeaderCell(e.getTarget());
1421         if(hd){
1422             this.fly(hd).removeClass("x-grid-hd-over");
1423         }
1424     },
1425
1426     handleSplitDblClick : function(e, t){
1427         var i = this.getCellIndex(t);
1428         if(this.grid.enableColumnResize !== false && this.cm.isResizable(i) && !this.cm.isFixed(i)){
1429             this.autoSizeColumn(i, true);
1430             this.layout();
1431         }
1432     },
1433
1434     render : function(){
1435
1436         var cm = this.cm;
1437         var colCount = cm.getColumnCount();
1438
1439         if(this.grid.monitorWindowResize === true){
1440             Roo.EventManager.onWindowResize(this.onWindowResize, this, true);
1441         }
1442         var header = this.renderHeaders();
1443         var body = this.templates.body.apply({rows:""});
1444         var html = this.templates.master.apply({
1445             lockedBody: body,
1446             body: body,
1447             lockedHeader: header[0],
1448             header: header[1]
1449         });
1450
1451         //this.updateColumns();
1452
1453         this.grid.getGridEl().dom.innerHTML = html;
1454
1455         this.initElements();
1456
1457         // a kludge to fix the random scolling effect in webkit
1458         this.el.on("scroll", function() {
1459             this.el.dom.scrollTop=0; // hopefully not recursive..
1460         },this);
1461
1462         this.scroller.on("scroll", this.handleScroll, this);
1463         this.lockedBody.on("mousewheel", this.handleWheel, this);
1464         this.mainBody.on("mousewheel", this.handleWheel, this);
1465
1466         this.mainHd.on("mouseover", this.handleHdOver, this);
1467         this.mainHd.on("mouseout", this.handleHdOut, this);
1468         this.mainHd.on("dblclick", this.handleSplitDblClick, this,
1469                 {delegate: "."+this.splitClass});
1470
1471         this.lockedHd.on("mouseover", this.handleHdOver, this);
1472         this.lockedHd.on("mouseout", this.handleHdOut, this);
1473         this.lockedHd.on("dblclick", this.handleSplitDblClick, this,
1474                 {delegate: "."+this.splitClass});
1475
1476         if(this.grid.enableColumnResize !== false && Roo.grid.SplitDragZone){
1477             new Roo.grid.SplitDragZone(this.grid, this.lockedHd.dom, this.mainHd.dom);
1478         }
1479
1480         this.updateSplitters();
1481
1482         if(this.grid.enableColumnMove && Roo.grid.HeaderDragZone){
1483             new Roo.grid.HeaderDragZone(this.grid, this.lockedHd.dom, this.mainHd.dom);
1484             new Roo.grid.HeaderDropZone(this.grid, this.lockedHd.dom, this.mainHd.dom);
1485         }
1486
1487         if(this.grid.enableCtxMenu !== false && Roo.menu.Menu){
1488             this.hmenu = new Roo.menu.Menu({id: this.grid.id + "-hctx"});
1489             this.hmenu.add(
1490                 {id:"asc", text: this.sortAscText, cls: "xg-hmenu-sort-asc"},
1491                 {id:"desc", text: this.sortDescText, cls: "xg-hmenu-sort-desc"}
1492             );
1493             if(this.grid.enableColLock !== false){
1494                 this.hmenu.add('-',
1495                     {id:"lock", text: this.lockText, cls: "xg-hmenu-lock"},
1496                     {id:"unlock", text: this.unlockText, cls: "xg-hmenu-unlock"}
1497                 );
1498             }
1499             if (Roo.isTouch) {
1500                  this.hmenu.add('-',
1501                     {id:"wider", text: this.columnsWiderText},
1502                     {id:"narrow", text: this.columnsNarrowText }
1503                 );
1504
1505
1506             }
1507
1508             if(this.grid.enableColumnHide !== false){
1509
1510                 this.colMenu = new Roo.menu.Menu({id:this.grid.id + "-hcols-menu"});
1511                 this.colMenu.on("beforeshow", this.beforeColMenuShow, this);
1512                 this.colMenu.on("itemclick", this.handleHdMenuClick, this);
1513
1514                 this.hmenu.add('-',
1515                     {id:"columns", text: this.columnsText, menu: this.colMenu}
1516                 );
1517             }
1518             this.hmenu.on("itemclick", this.handleHdMenuClick, this);
1519
1520             this.grid.on("headercontextmenu", this.handleHdCtx, this);
1521         }
1522
1523         if((this.grid.enableDragDrop || this.grid.enableDrag) && Roo.grid.GridDragZone){
1524             this.dd = new Roo.grid.GridDragZone(this.grid, {
1525                 ddGroup : this.grid.ddGroup || 'GridDD'
1526             });
1527
1528         }
1529
1530         /*
1531         for(var i = 0; i < colCount; i++){
1532             if(cm.isHidden(i)){
1533                 this.hideColumn(i);
1534             }
1535             if(cm.config[i].align){
1536                 this.css.updateRule(this.colSelector + i, "textAlign", cm.config[i].align);
1537                 this.css.updateRule(this.hdSelector + i, "textAlign", cm.config[i].align);
1538             }
1539         }*/
1540
1541         this.updateHeaderSortState();
1542
1543         this.beforeInitialResize();
1544         this.layout(true);
1545
1546         // two part rendering gives faster view to the user
1547         this.renderPhase2.defer(1, this);
1548     },
1549
1550     renderPhase2 : function(){
1551         // render the rows now
1552         this.refresh();
1553         if(this.grid.autoSizeColumns){
1554             this.autoSizeColumns();
1555         }
1556     },
1557
1558     beforeInitialResize : function(){
1559
1560     },
1561
1562     onColumnSplitterMoved : function(i, w){
1563         this.userResized = true;
1564         var cm = this.grid.colModel;
1565         cm.setColumnWidth(i, w, true);
1566         var cid = cm.getColumnId(i);
1567         this.css.updateRule(this.colSelector + this.idToCssName(cid), "width", (w-this.borderWidth) + "px");
1568         this.css.updateRule(this.hdSelector + this.idToCssName(cid), "width", (w-this.borderWidth) + "px");
1569         this.updateSplitters();
1570         this.layout();
1571         this.grid.fireEvent("columnresize", i, w);
1572     },
1573
1574     syncRowHeights : function(startIndex, endIndex){
1575         if(this.grid.enableRowHeightSync === true && this.cm.getLockedCount() > 0){
1576             startIndex = startIndex || 0;
1577             var mrows = this.getBodyTable().rows;
1578             var lrows = this.getLockedTable().rows;
1579             var len = mrows.length-1;
1580             endIndex = Math.min(endIndex || len, len);
1581             for(var i = startIndex; i <= endIndex; i++){
1582                 var m = mrows[i], l = lrows[i];
1583                 var h = Math.max(m.offsetHeight, l.offsetHeight);
1584                 m.style.height = l.style.height = h + "px";
1585             }
1586         }
1587     },
1588
1589     layout : function(initialRender, is2ndPass){
1590         var g = this.grid;
1591         var auto = g.autoHeight;
1592         var scrollOffset = 16;
1593         var c = g.getGridEl(), cm = this.cm,
1594                 expandCol = g.autoExpandColumn,
1595                 gv = this;
1596         //c.beginMeasure();
1597
1598         if(!c.dom.offsetWidth){ // display:none?
1599             if(initialRender){
1600                 this.lockedWrap.show();
1601                 this.mainWrap.show();
1602             }
1603             return;
1604         }
1605
1606         var hasLock = this.cm.isLocked(0);
1607
1608         var tbh = this.headerPanel.getHeight();
1609         var bbh = this.footerPanel.getHeight();
1610
1611         if(auto){
1612             var ch = this.getBodyTable().offsetHeight + tbh + bbh + this.mainHd.getHeight();
1613             var newHeight = ch + c.getBorderWidth("tb");
1614             if(g.maxHeight){
1615                 newHeight = Math.min(g.maxHeight, newHeight);
1616             }
1617             c.setHeight(newHeight);
1618         }
1619
1620         if(g.autoWidth){
1621             c.setWidth(cm.getTotalWidth()+c.getBorderWidth('lr'));
1622         }
1623
1624         var s = this.scroller;
1625
1626         var csize = c.getSize(true);
1627
1628         this.el.setSize(csize.width, csize.height);
1629
1630         this.headerPanel.setWidth(csize.width);
1631         this.footerPanel.setWidth(csize.width);
1632
1633         var hdHeight = this.mainHd.getHeight();
1634         var vw = csize.width;
1635         var vh = csize.height - (tbh + bbh);
1636
1637         s.setSize(vw, vh);
1638
1639         var bt = this.getBodyTable();
1640         var ltWidth = hasLock ?
1641                       Math.max(this.getLockedTable().offsetWidth, this.lockedHd.dom.firstChild.offsetWidth) : 0;
1642
1643         var scrollHeight = bt.offsetHeight;
1644         var scrollWidth = ltWidth + bt.offsetWidth;
1645         var vscroll = false, hscroll = false;
1646
1647         this.scrollSizer.setSize(scrollWidth, scrollHeight+hdHeight);
1648
1649         var lw = this.lockedWrap, mw = this.mainWrap;
1650         var lb = this.lockedBody, mb = this.mainBody;
1651
1652         setTimeout(function(){
1653             var t = s.dom.offsetTop;
1654             var w = s.dom.clientWidth,
1655                 h = s.dom.clientHeight;
1656
1657             lw.setTop(t);
1658             lw.setSize(ltWidth, h);
1659
1660             mw.setLeftTop(ltWidth, t);
1661             mw.setSize(w-ltWidth, h);
1662
1663             lb.setHeight(h-hdHeight);
1664             mb.setHeight(h-hdHeight);
1665
1666             if(is2ndPass !== true && !gv.userResized && expandCol){
1667                 // high speed resize without full column calculation
1668
1669                 var ci = cm.getIndexById(expandCol);
1670                 if (ci < 0) {
1671                     ci = cm.findColumnIndex(expandCol);
1672                 }
1673                 ci = Math.max(0, ci); // make sure it's got at least the first col.
1674                 var expandId = cm.getColumnId(ci);
1675                 var  tw = cm.getTotalWidth(false);
1676                 var currentWidth = cm.getColumnWidth(ci);
1677                 var cw = Math.min(Math.max(((w-tw)+currentWidth-2)-/*scrollbar*/(w <= s.dom.offsetWidth ? 0 : 18), g.autoExpandMin), g.autoExpandMax);
1678                 if(currentWidth != cw){
1679                     cm.setColumnWidth(ci, cw, true);
1680                     gv.css.updateRule(gv.colSelector+gv.idToCssName(expandId), "width", (cw - gv.borderWidth) + "px");
1681                     gv.css.updateRule(gv.hdSelector+gv.idToCssName(expandId), "width", (cw - gv.borderWidth) + "px");
1682                     gv.updateSplitters();
1683                     gv.layout(false, true);
1684                 }
1685             }
1686
1687             if(initialRender){
1688                 lw.show();
1689                 mw.show();
1690             }
1691             //c.endMeasure();
1692         }, 10);
1693     },
1694
1695     onWindowResize : function(){
1696         if(!this.grid.monitorWindowResize || this.grid.autoHeight){
1697             return;
1698         }
1699         this.layout();
1700     },
1701
1702     appendFooter : function(parentEl){
1703         return null;
1704     },
1705
1706     sortAscText : "Sort Ascending",
1707     sortDescText : "Sort Descending",
1708     lockText : "Lock Column",
1709     unlockText : "Unlock Column",
1710     columnsText : "Columns",
1711
1712     columnsWiderText : "Wider",
1713     columnsNarrowText : "Thinner"
1714 });
1715
1716
1717 Roo.grid.GridView.ColumnDragZone = function(grid, hd){
1718     Roo.grid.GridView.ColumnDragZone.superclass.constructor.call(this, grid, hd, null);
1719     this.proxy.el.addClass('x-grid3-col-dd');
1720 };
1721
1722 Roo.extend(Roo.grid.GridView.ColumnDragZone, Roo.grid.HeaderDragZone, {
1723     handleMouseDown : function(e){
1724
1725     },
1726
1727     callHandleMouseDown : function(e){
1728         Roo.grid.GridView.ColumnDragZone.superclass.handleMouseDown.call(this, e);
1729     }
1730 });