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         this.syncScroll();
 830         var sb = this.scroller.dom;
 831         this.grid.fireEvent("bodyscroll", sb.scrollLeft, sb.scrollTop);
 832         e.stopEvent();
 833     },
 834
 835     handleWheel : function(e){
 836         var d = e.getWheelDelta();
 837         this.scroller.dom.scrollTop -= d*22;
 838         // set this here to prevent jumpy scrolling on large tables
 839         this.lockedBody.dom.scrollTop = this.mainBody.dom.scrollTop = this.scroller.dom.scrollTop;
 840         e.stopEvent();
 841     },
 842
 843     renderRows : function(startRow, endRow){
 844         // pull in all the crap needed to render rows
 845         var g = this.grid, cm = g.colModel, ds = g.dataSource, stripe = g.stripeRows;
 846         var colCount = cm.getColumnCount();
 847
 848         if(ds.getCount() < 1){
 849             return ["", ""];
 850         }
 851
 852         // build a map for all the columns
 853         var cs = [];
 854         for(var i = 0; i < colCount; i++){
 855             var name = cm.getDataIndex(i);
 856             cs[i] = {
 857                 name : typeof name == 'undefined' ? ds.fields.get(i).name : name,
 858                 renderer : cm.getRenderer(i),
 859                 id : cm.getColumnId(i),
 860                 locked : cm.isLocked(i)
 861             };
 862         }
 863
 864         startRow = startRow || 0;
 865         endRow = typeof endRow == "undefined"? ds.getCount()-1 : endRow;
 866
 867         // records to render
 868         var rs = ds.getRange(startRow, endRow);
 869
 870         return this.doRender(cs, rs, ds, startRow, colCount, stripe);
 871     },
 872
 873     // As much as I hate to duplicate code, this was branched because FireFox really hates
 874     // [].join("") on strings. The performance difference was substantial enough to
 875     // branch this function
 876     doRender : Roo.isGecko ?
 877             function(cs, rs, ds, startRow, colCount, stripe){
 878                 var ts = this.templates, ct = ts.cell, rt = ts.row;
 879                 // buffers
 880                 var buf = "", lbuf = "", cb, lcb, c, p = {}, rp = {}, r, rowIndex;
 881
 882                 var hasListener = this.grid.hasListener('rowclass');
 883                 var rowcfg = {};
 884                 for(var j = 0, len = rs.length; j < len; j++){
 885                     r = rs[j]; cb = ""; lcb = ""; rowIndex = (j+startRow);
 886                     for(var i = 0; i < colCount; i++){
 887                         c = cs[i];
 888                         p.cellId = "x-grid-cell-" + rowIndex + "-" + i;
 889                         p.id = c.id;
 890                         p.css = p.attr = "";
 891                         p.value = c.renderer(r.data[c.name], p, r, rowIndex, i, ds);
 892                         if(p.value == undefined || p.value === "") {
 893                             p.value = "&#160;";
 894                         }
 895                         if(c.editor){
 896                             p.css += 'x-grid-editable-cell';
 897                         }
 898                         if(c.dirty && typeof r.modified[c.name] !== 'undefined'){
 899                             p.css += p.css ? ' x-grid-dirty-cell' : 'x-grid-dirty-cell';
 900                         }
 901                         var markup = ct.apply(p);
 902                         if(!c.locked){
 903                             cb+= markup;
 904                         }else{
 905                             lcb+= markup;
 906                         }
 907                     }
 908                     var alt = [];
 909                     if(stripe && ((rowIndex+1) % 2 == 0)){
 910                         alt.push("x-grid-row-alt")
 911                     }
 912                     if(r.dirty){
 913                         alt.push(  " x-grid-dirty-row");
 914                     }
 915                     rp.cells = lcb;
 916                     if(this.getRowClass){
 917                         alt.push(this.getRowClass(r, rowIndex));
 918                     }
 919                     if (hasListener) {
 920                         rowcfg = {
 921
 922                             record: r,
 923                             rowIndex : rowIndex,
 924                             rowClass : ''
 925                         };
 926                         this.grid.fireEvent('rowclass', this, rowcfg);
 927                         alt.push(rowcfg.rowClass);
 928                     }
 929                     rp.alt = alt.join(" ");
 930                     lbuf+= rt.apply(rp);
 931                     rp.cells = cb;
 932                     buf+=  rt.apply(rp);
 933                 }
 934                 return [lbuf, buf];
 935             } :
 936             function(cs, rs, ds, startRow, colCount, stripe){
 937                 var ts = this.templates, ct = ts.cell, rt = ts.row;
 938                 // buffers
 939                 var buf = [], lbuf = [], cb, lcb, c, p = {}, rp = {}, r, rowIndex;
 940                 var hasListener = this.grid.hasListener('rowclass');
 941
 942                 var rowcfg = {};
 943                 for(var j = 0, len = rs.length; j < len; j++){
 944                     r = rs[j]; cb = []; lcb = []; rowIndex = (j+startRow);
 945                     for(var i = 0; i < colCount; i++){
 946                         c = cs[i];
 947                         p.cellId = "x-grid-cell-" + rowIndex + "-" + i;
 948                         p.id = c.id;
 949                         p.css = p.attr = "";
 950                         p.value = c.renderer(r.data[c.name], p, r, rowIndex, i, ds);
 951                         if(p.value == undefined || p.value === "") {
 952                             p.value = "&#160;";
 953                         }
 954                         if(r.dirty && typeof r.modified[c.name] !== 'undefined'){
 955                             p.css += p.css ? ' x-grid-dirty-cell' : 'x-grid-dirty-cell';
 956                         }
 957
 958                         var markup = ct.apply(p);
 959                         if(!c.locked){
 960                             cb[cb.length] = markup;
 961                         }else{
 962                             lcb[lcb.length] = markup;
 963                         }
 964                     }
 965                     var alt = [];
 966                     if(stripe && ((rowIndex+1) % 2 == 0)){
 967                         alt.push( "x-grid-row-alt");
 968                     }
 969                     if(r.dirty){
 970                         alt.push(" x-grid-dirty-row");
 971                     }
 972                     rp.cells = lcb;
 973                     if(this.getRowClass){
 974                         alt.push( this.getRowClass(r, rowIndex));
 975                     }
 976                     if (hasListener) {
 977                         rowcfg = {
 978
 979                             record: r,
 980                             rowIndex : rowIndex,
 981                             rowClass : ''
 982                         };
 983                         this.grid.fireEvent('rowclass', this, rowcfg);
 984                         alt.push(rowcfg.rowClass);
 985                     }
 986                     Roo.log(alt);
 987                     rp.alt = alt.join(" ");
 988                     rp.cells = lcb.join("");
 989                     lbuf[lbuf.length] = rt.apply(rp);
 990                     rp.cells = cb.join("");
 991                     buf[buf.length] =  rt.apply(rp);
 992                 }
 993                 return [lbuf.join(""), buf.join("")];
 994             },
 995
 996     renderBody : function(){
 997         var markup = this.renderRows();
 998         var bt = this.templates.body;
 999         return [bt.apply({rows: markup[0]}), bt.apply({rows: markup[1]})];
1000     },
1001
1002     /**
1003      * Refreshes the grid
1004      * @param {Boolean} headersToo
1005      */
1006     refresh : function(headersToo){
1007         this.fireEvent("beforerefresh", this);
1008         this.grid.stopEditing();
1009         var result = this.renderBody();
1010         this.lockedBody.update(result[0]);
1011         this.mainBody.update(result[1]);
1012         if(headersToo === true){
1013             this.updateHeaders();
1014             this.updateColumns();
1015             this.updateSplitters();
1016             this.updateHeaderSortState();
1017         }
1018         this.syncRowHeights();
1019         this.layout();
1020         this.fireEvent("refresh", this);
1021     },
1022
1023     handleColumnMove : function(cm, oldIndex, newIndex){
1024         this.indexMap = null;
1025         var s = this.getScrollState();
1026         this.refresh(true);
1027         this.restoreScroll(s);
1028         this.afterMove(newIndex);
1029     },
1030
1031     afterMove : function(colIndex){
1032         if(this.enableMoveAnim && Roo.enableFx){
1033             this.fly(this.getHeaderCell(colIndex).firstChild).highlight(this.hlColor);
1034         }
1035         // if multisort - fix sortOrder, and reload..
1036         if (this.grid.dataSource.multiSort) {
1037             // the we can call sort again..
1038             var dm = this.grid.dataSource;
1039             var cm = this.grid.colModel;
1040             var so = [];
1041             for(var i = 0; i < cm.config.length; i++ ) {
1042
1043                 if ((typeof(dm.sortToggle[cm.config[i].dataIndex]) == 'undefined')) {
1044                     continue; // dont' bother, it's not in sort list or being set.
1045                 }
1046
1047                 so.push(cm.config[i].dataIndex);
1048             };
1049             dm.sortOrder = so;
1050             dm.load(dm.lastOptions);
1051
1052
1053         }
1054
1055     },
1056
1057     updateCell : function(dm, rowIndex, dataIndex){
1058         var colIndex = this.getColumnIndexByDataIndex(dataIndex);
1059         if(typeof colIndex == "undefined"){ // not present in grid
1060             return;
1061         }
1062         var cm = this.grid.colModel;
1063         var cell = this.getCell(rowIndex, colIndex);
1064         var cellText = this.getCellText(rowIndex, colIndex);
1065
1066         var p = {
1067             cellId : "x-grid-cell-" + rowIndex + "-" + colIndex,
1068             id : cm.getColumnId(colIndex),
1069             css: colIndex == cm.getColumnCount()-1 ? "x-grid-col-last" : ""
1070         };
1071         var renderer = cm.getRenderer(colIndex);
1072         var val = renderer(dm.getValueAt(rowIndex, dataIndex), p, rowIndex, colIndex, dm);
1073         if(typeof val == "undefined" || val === "") {
1074             val = "&#160;";
1075         }
1076         cellText.innerHTML = val;
1077         cell.className = this.cellClass + " " + this.idToCssName(p.cellId) + " " + p.css;
1078         this.syncRowHeights(rowIndex, rowIndex);
1079     },
1080
1081     calcColumnWidth : function(colIndex, maxRowsToMeasure){
1082         var maxWidth = 0;
1083         if(this.grid.autoSizeHeaders){
1084             var h = this.getHeaderCellMeasure(colIndex);
1085             maxWidth = Math.max(maxWidth, h.scrollWidth);
1086         }
1087         var tb, index;
1088         if(this.cm.isLocked(colIndex)){
1089             tb = this.getLockedTable();
1090             index = colIndex;
1091         }else{
1092             tb = this.getBodyTable();
1093             index = colIndex - this.cm.getLockedCount();
1094         }
1095         if(tb && tb.rows){
1096             var rows = tb.rows;
1097             var stopIndex = Math.min(maxRowsToMeasure || rows.length, rows.length);
1098             for(var i = 0; i < stopIndex; i++){
1099                 var cell = rows[i].childNodes[index].firstChild;
1100                 maxWidth = Math.max(maxWidth, cell.scrollWidth);
1101             }
1102         }
1103         return maxWidth + /*margin for error in IE*/ 5;
1104     },
1105     /**
1106      * Autofit a column to its content.
1107      * @param {Number} colIndex
1108      * @param {Boolean} forceMinSize true to force the column to go smaller if possible
1109      */
1110      autoSizeColumn : function(colIndex, forceMinSize, suppressEvent){
1111          if(this.cm.isHidden(colIndex)){
1112              return; // can't calc a hidden column
1113          }
1114         if(forceMinSize){
1115             var cid = this.cm.getColumnId(colIndex);
1116             this.css.updateRule(this.colSelector +this.idToCssName( cid), "width", this.grid.minColumnWidth + "px");
1117            if(this.grid.autoSizeHeaders){
1118                this.css.updateRule(this.hdSelector + this.idToCssName(cid), "width", this.grid.minColumnWidth + "px");
1119            }
1120         }
1121         var newWidth = this.calcColumnWidth(colIndex);
1122         this.cm.setColumnWidth(colIndex,
1123             Math.max(this.grid.minColumnWidth, newWidth), suppressEvent);
1124         if(!suppressEvent){
1125             this.grid.fireEvent("columnresize", colIndex, newWidth);
1126         }
1127     },
1128
1129     /**
1130      * Autofits all columns to their content and then expands to fit any extra space in the grid
1131      */
1132      autoSizeColumns : function(){
1133         var cm = this.grid.colModel;
1134         var colCount = cm.getColumnCount();
1135         for(var i = 0; i < colCount; i++){
1136             this.autoSizeColumn(i, true, true);
1137         }
1138         if(cm.getTotalWidth() < this.scroller.dom.clientWidth){
1139             this.fitColumns();
1140         }else{
1141             this.updateColumns();
1142             this.layout();
1143         }
1144     },
1145
1146     /**
1147      * Autofits all columns to the grid's width proportionate with their current size
1148      * @param {Boolean} reserveScrollSpace Reserve space for a scrollbar
1149      */
1150     fitColumns : function(reserveScrollSpace){
1151         var cm = this.grid.colModel;
1152         var colCount = cm.getColumnCount();
1153         var cols = [];
1154         var width = 0;
1155         var i, w;
1156         for (i = 0; i < colCount; i++){
1157             if(!cm.isHidden(i) && !cm.isFixed(i)){
1158                 w = cm.getColumnWidth(i);
1159                 cols.push(i);
1160                 cols.push(w);
1161                 width += w;
1162             }
1163         }
1164         var avail = Math.min(this.scroller.dom.clientWidth, this.el.getWidth());
1165         if(reserveScrollSpace){
1166             avail -= 17;
1167         }
1168         var frac = (avail - cm.getTotalWidth())/width;
1169         while (cols.length){
1170             w = cols.pop();
1171             i = cols.pop();
1172             cm.setColumnWidth(i, Math.floor(w + w*frac), true);
1173         }
1174         this.updateColumns();
1175         this.layout();
1176     },
1177
1178     onRowSelect : function(rowIndex){
1179         var row = this.getRowComposite(rowIndex);
1180         row.addClass("x-grid-row-selected");
1181     },
1182
1183     onRowDeselect : function(rowIndex){
1184         var row = this.getRowComposite(rowIndex);
1185         row.removeClass("x-grid-row-selected");
1186     },
1187
1188     onCellSelect : function(row, col){
1189         var cell = this.getCell(row, col);
1190         if(cell){
1191             Roo.fly(cell).addClass("x-grid-cell-selected");
1192         }
1193     },
1194
1195     onCellDeselect : function(row, col){
1196         var cell = this.getCell(row, col);
1197         if(cell){
1198             Roo.fly(cell).removeClass("x-grid-cell-selected");
1199         }
1200     },
1201
1202     updateHeaderSortState : function(){
1203
1204         // sort state can be single { field: xxx, direction : yyy}
1205         // or   { xxx=>ASC , yyy : DESC ..... }
1206
1207         var mstate = {};
1208         if (!this.ds.multiSort) {
1209             var state = this.ds.getSortState();
1210             if(!state){
1211                 return;
1212             }
1213             mstate[state.field] = state.direction;
1214             // FIXME... - this is not used here.. but might be elsewhere..
1215             this.sortState = state;
1216
1217         } else {
1218             mstate = this.ds.sortToggle;
1219         }
1220         //remove existing sort classes..
1221
1222         var sc = this.sortClasses;
1223         var hds = this.el.select(this.headerSelector).removeClass(sc);
1224
1225         for(var f in mstate) {
1226
1227             var sortColumn = this.cm.findColumnIndex(f);
1228
1229             if(sortColumn != -1){
1230                 var sortDir = mstate[f];
1231                 hds.item(sortColumn).addClass(sc[sortDir == "DESC" ? 1 : 0]);
1232             }
1233         }
1234
1235
1236
1237     },
1238
1239
1240     handleHeaderClick : function(g, index,e){
1241
1242         Roo.log("header click");
1243
1244         if (Roo.isTouch) {
1245             // touch events on header are handled by context
1246             this.handleHdCtx(g,index,e);
1247             return;
1248         }
1249
1250
1251         if(this.headersDisabled){
1252             return;
1253         }
1254         var dm = g.dataSource, cm = g.colModel;
1255         if(!cm.isSortable(index)){
1256             return;
1257         }
1258         g.stopEditing();
1259
1260         if (dm.multiSort) {
1261             // update the sortOrder
1262             var so = [];
1263             for(var i = 0; i < cm.config.length; i++ ) {
1264
1265                 if ((typeof(dm.sortToggle[cm.config[i].dataIndex]) == 'undefined') && (index != i)) {
1266                     continue; // dont' bother, it's not in sort list or being set.
1267                 }
1268
1269                 so.push(cm.config[i].dataIndex);
1270             };
1271             dm.sortOrder = so;
1272         }
1273
1274
1275         dm.sort(cm.getDataIndex(index));
1276     },
1277
1278
1279     destroy : function(){
1280         if(this.colMenu){
1281             this.colMenu.removeAll();
1282             Roo.menu.MenuMgr.unregister(this.colMenu);
1283             this.colMenu.getEl().remove();
1284             delete this.colMenu;
1285         }
1286         if(this.hmenu){
1287             this.hmenu.removeAll();
1288             Roo.menu.MenuMgr.unregister(this.hmenu);
1289             this.hmenu.getEl().remove();
1290             delete this.hmenu;
1291         }
1292         if(this.grid.enableColumnMove){
1293             var dds = Roo.dd.DDM.ids['gridHeader' + this.grid.getGridEl().id];
1294             if(dds){
1295                 for(var dd in dds){
1296                     if(!dds[dd].config.isTarget && dds[dd].dragElId){
1297                         var elid = dds[dd].dragElId;
1298                         dds[dd].unreg();
1299                         Roo.get(elid).remove();
1300                     } else if(dds[dd].config.isTarget){
1301                         dds[dd].proxyTop.remove();
1302                         dds[dd].proxyBottom.remove();
1303                         dds[dd].unreg();
1304                     }
1305                     if(Roo.dd.DDM.locationCache[dd]){
1306                         delete Roo.dd.DDM.locationCache[dd];
1307                     }
1308                 }
1309                 delete Roo.dd.DDM.ids['gridHeader' + this.grid.getGridEl().id];
1310             }
1311         }
1312         Roo.util.CSS.removeStyleSheet(this.idToCssName(this.grid.id) + '-cssrules');
1313         this.bind(null, null);
1314         Roo.EventManager.removeResizeListener(this.onWindowResize, this);
1315     },
1316
1317     handleLockChange : function(){
1318         this.refresh(true);
1319     },
1320
1321     onDenyColumnLock : function(){
1322
1323     },
1324
1325     onDenyColumnHide : function(){
1326
1327     },
1328
1329     handleHdMenuClick : function(item){
1330         var index = this.hdCtxIndex;
1331         var cm = this.cm, ds = this.ds;
1332         switch(item.id){
1333             case "asc":
1334                 ds.sort(cm.getDataIndex(index), "ASC");
1335                 break;
1336             case "desc":
1337                 ds.sort(cm.getDataIndex(index), "DESC");
1338                 break;
1339             case "lock":
1340                 var lc = cm.getLockedCount();
1341                 if(cm.getColumnCount(true) <= lc+1){
1342                     this.onDenyColumnLock();
1343                     return;
1344                 }
1345                 if(lc != index){
1346                     cm.setLocked(index, true, true);
1347                     cm.moveColumn(index, lc);
1348                     this.grid.fireEvent("columnmove", index, lc);
1349                 }else{
1350                     cm.setLocked(index, true);
1351                 }
1352             break;
1353             case "unlock":
1354                 var lc = cm.getLockedCount();
1355                 if((lc-1) != index){
1356                     cm.setLocked(index, false, true);
1357                     cm.moveColumn(index, lc-1);
1358                     this.grid.fireEvent("columnmove", index, lc-1);
1359                 }else{
1360                     cm.setLocked(index, false);
1361                 }
1362             break;
1363             case 'wider': // used to expand cols on touch..
1364             case 'narrow':
1365                 var cw = cm.getColumnWidth(index);
1366                 cw += (item.id == 'wider' ? 1 : -1) * 50;
1367                 cw = Math.max(0, cw);
1368                 cw = Math.min(cw,4000);
1369                 cm.setColumnWidth(index, cw);
1370                 break;
1371
1372             default:
1373                 index = cm.getIndexById(item.id.substr(4));
1374                 if(index != -1){
1375                     if(item.checked && cm.getColumnCount(true) <= 1){
1376                         this.onDenyColumnHide();
1377                         return false;
1378                     }
1379                     cm.setHidden(index, item.checked);
1380                 }
1381         }
1382         return true;
1383     },
1384
1385     beforeColMenuShow : function(){
1386         var cm = this.cm,  colCount = cm.getColumnCount();
1387         this.colMenu.removeAll();
1388         for(var i = 0; i < colCount; i++){
1389             this.colMenu.add(new Roo.menu.CheckItem({
1390                 id: "col-"+cm.getColumnId(i),
1391                 text: cm.getColumnHeader(i),
1392                 checked: !cm.isHidden(i),
1393                 hideOnClick:false
1394             }));
1395         }
1396     },
1397
1398     handleHdCtx : function(g, index, e){
1399         e.stopEvent();
1400         var hd = this.getHeaderCell(index);
1401         this.hdCtxIndex = index;
1402         var ms = this.hmenu.items, cm = this.cm;
1403         ms.get("asc").setDisabled(!cm.isSortable(index));
1404         ms.get("desc").setDisabled(!cm.isSortable(index));
1405         if(this.grid.enableColLock !== false){
1406             ms.get("lock").setDisabled(cm.isLocked(index));
1407             ms.get("unlock").setDisabled(!cm.isLocked(index));
1408         }
1409         this.hmenu.show(hd, "tl-bl");
1410     },
1411
1412     handleHdOver : function(e){
1413         var hd = this.findHeaderCell(e.getTarget());
1414         if(hd && !this.headersDisabled){
1415             if(this.grid.colModel.isSortable(this.getCellIndex(hd))){
1416                this.fly(hd).addClass("x-grid-hd-over");
1417             }
1418         }
1419     },
1420
1421     handleHdOut : function(e){
1422         var hd = this.findHeaderCell(e.getTarget());
1423         if(hd){
1424             this.fly(hd).removeClass("x-grid-hd-over");
1425         }
1426     },
1427
1428     handleSplitDblClick : function(e, t){
1429         var i = this.getCellIndex(t);
1430         if(this.grid.enableColumnResize !== false && this.cm.isResizable(i) && !this.cm.isFixed(i)){
1431             this.autoSizeColumn(i, true);
1432             this.layout();
1433         }
1434     },
1435
1436     render : function(){
1437
1438         var cm = this.cm;
1439         var colCount = cm.getColumnCount();
1440
1441         if(this.grid.monitorWindowResize === true){
1442             Roo.EventManager.onWindowResize(this.onWindowResize, this, true);
1443         }
1444         var header = this.renderHeaders();
1445         var body = this.templates.body.apply({rows:""});
1446         var html = this.templates.master.apply({
1447             lockedBody: body,
1448             body: body,
1449             lockedHeader: header[0],
1450             header: header[1]
1451         });
1452
1453         //this.updateColumns();
1454
1455         this.grid.getGridEl().dom.innerHTML = html;
1456
1457         this.initElements();
1458
1459         // a kludge to fix the random scolling effect in webkit
1460         this.el.on("scroll", function() {
1461             this.el.dom.scrollTop=0; // hopefully not recursive..
1462         },this);
1463
1464         this.scroller.on("scroll", this.handleScroll, this);
1465         this.lockedBody.on("mousewheel", this.handleWheel, this);
1466         this.mainBody.on("mousewheel", this.handleWheel, this);
1467
1468         this.mainHd.on("mouseover", this.handleHdOver, this);
1469         this.mainHd.on("mouseout", this.handleHdOut, this);
1470         this.mainHd.on("dblclick", this.handleSplitDblClick, this,
1471                 {delegate: "."+this.splitClass});
1472
1473         this.lockedHd.on("mouseover", this.handleHdOver, this);
1474         this.lockedHd.on("mouseout", this.handleHdOut, this);
1475         this.lockedHd.on("dblclick", this.handleSplitDblClick, this,
1476                 {delegate: "."+this.splitClass});
1477
1478         if(this.grid.enableColumnResize !== false && Roo.grid.SplitDragZone){
1479             new Roo.grid.SplitDragZone(this.grid, this.lockedHd.dom, this.mainHd.dom);
1480         }
1481
1482         this.updateSplitters();
1483
1484         if(this.grid.enableColumnMove && Roo.grid.HeaderDragZone){
1485             new Roo.grid.HeaderDragZone(this.grid, this.lockedHd.dom, this.mainHd.dom);
1486             new Roo.grid.HeaderDropZone(this.grid, this.lockedHd.dom, this.mainHd.dom);
1487         }
1488
1489         if(this.grid.enableCtxMenu !== false && Roo.menu.Menu){
1490             this.hmenu = new Roo.menu.Menu({id: this.grid.id + "-hctx"});
1491             this.hmenu.add(
1492                 {id:"asc", text: this.sortAscText, cls: "xg-hmenu-sort-asc"},
1493                 {id:"desc", text: this.sortDescText, cls: "xg-hmenu-sort-desc"}
1494             );
1495             if(this.grid.enableColLock !== false){
1496                 this.hmenu.add('-',
1497                     {id:"lock", text: this.lockText, cls: "xg-hmenu-lock"},
1498                     {id:"unlock", text: this.unlockText, cls: "xg-hmenu-unlock"}
1499                 );
1500             }
1501             if (Roo.isTouch) {
1502                  this.hmenu.add('-',
1503                     {id:"wider", text: this.columnsWiderText},
1504                     {id:"narrow", text: this.columnsNarrowText }
1505                 );
1506
1507
1508             }
1509
1510             if(this.grid.enableColumnHide !== false){
1511
1512                 this.colMenu = new Roo.menu.Menu({id:this.grid.id + "-hcols-menu"});
1513                 this.colMenu.on("beforeshow", this.beforeColMenuShow, this);
1514                 this.colMenu.on("itemclick", this.handleHdMenuClick, this);
1515
1516                 this.hmenu.add('-',
1517                     {id:"columns", text: this.columnsText, menu: this.colMenu}
1518                 );
1519             }
1520             this.hmenu.on("itemclick", this.handleHdMenuClick, this);
1521
1522             this.grid.on("headercontextmenu", this.handleHdCtx, this);
1523         }
1524
1525         if((this.grid.enableDragDrop || this.grid.enableDrag) && Roo.grid.GridDragZone){
1526             this.dd = new Roo.grid.GridDragZone(this.grid, {
1527                 ddGroup : this.grid.ddGroup || 'GridDD'
1528             });
1529
1530         }
1531
1532         /*
1533         for(var i = 0; i < colCount; i++){
1534             if(cm.isHidden(i)){
1535                 this.hideColumn(i);
1536             }
1537             if(cm.config[i].align){
1538                 this.css.updateRule(this.colSelector + i, "textAlign", cm.config[i].align);
1539                 this.css.updateRule(this.hdSelector + i, "textAlign", cm.config[i].align);
1540             }
1541         }*/
1542
1543         this.updateHeaderSortState();
1544
1545         this.beforeInitialResize();
1546         this.layout(true);
1547
1548         // two part rendering gives faster view to the user
1549         this.renderPhase2.defer(1, this);
1550     },
1551
1552     renderPhase2 : function(){
1553         // render the rows now
1554         this.refresh();
1555         if(this.grid.autoSizeColumns){
1556             this.autoSizeColumns();
1557         }
1558     },
1559
1560     beforeInitialResize : function(){
1561
1562     },
1563
1564     onColumnSplitterMoved : function(i, w){
1565         this.userResized = true;
1566         var cm = this.grid.colModel;
1567         cm.setColumnWidth(i, w, true);
1568         var cid = cm.getColumnId(i);
1569         this.css.updateRule(this.colSelector + this.idToCssName(cid), "width", (w-this.borderWidth) + "px");
1570         this.css.updateRule(this.hdSelector + this.idToCssName(cid), "width", (w-this.borderWidth) + "px");
1571         this.updateSplitters();
1572         this.layout();
1573         this.grid.fireEvent("columnresize", i, w);
1574     },
1575
1576     syncRowHeights : function(startIndex, endIndex){
1577         if(this.grid.enableRowHeightSync === true && this.cm.getLockedCount() > 0){
1578             startIndex = startIndex || 0;
1579             var mrows = this.getBodyTable().rows;
1580             var lrows = this.getLockedTable().rows;
1581             var len = mrows.length-1;
1582             endIndex = Math.min(endIndex || len, len);
1583             for(var i = startIndex; i <= endIndex; i++){
1584                 var m = mrows[i], l = lrows[i];
1585                 var h = Math.max(m.offsetHeight, l.offsetHeight);
1586                 m.style.height = l.style.height = h + "px";
1587             }
1588         }
1589     },
1590
1591     layout : function(initialRender, is2ndPass){
1592         var g = this.grid;
1593         var auto = g.autoHeight;
1594         var scrollOffset = 16;
1595         var c = g.getGridEl(), cm = this.cm,
1596                 expandCol = g.autoExpandColumn,
1597                 gv = this;
1598         //c.beginMeasure();
1599
1600         if(!c.dom.offsetWidth){ // display:none?
1601             if(initialRender){
1602                 this.lockedWrap.show();
1603                 this.mainWrap.show();
1604             }
1605             return;
1606         }
1607
1608         var hasLock = this.cm.isLocked(0);
1609
1610         var tbh = this.headerPanel.getHeight();
1611         var bbh = this.footerPanel.getHeight();
1612
1613         if(auto){
1614             var ch = this.getBodyTable().offsetHeight + tbh + bbh + this.mainHd.getHeight();
1615             var newHeight = ch + c.getBorderWidth("tb");
1616             if(g.maxHeight){
1617                 newHeight = Math.min(g.maxHeight, newHeight);
1618             }
1619             c.setHeight(newHeight);
1620         }
1621
1622         if(g.autoWidth){
1623             c.setWidth(cm.getTotalWidth()+c.getBorderWidth('lr'));
1624         }
1625
1626         var s = this.scroller;
1627
1628         var csize = c.getSize(true);
1629
1630         this.el.setSize(csize.width, csize.height);
1631
1632         this.headerPanel.setWidth(csize.width);
1633         this.footerPanel.setWidth(csize.width);
1634
1635         var hdHeight = this.mainHd.getHeight();
1636         var vw = csize.width;
1637         var vh = csize.height - (tbh + bbh);
1638
1639         s.setSize(vw, vh);
1640
1641         var bt = this.getBodyTable();
1642         var ltWidth = hasLock ?
1643                       Math.max(this.getLockedTable().offsetWidth, this.lockedHd.dom.firstChild.offsetWidth) : 0;
1644
1645         var scrollHeight = bt.offsetHeight;
1646         var scrollWidth = ltWidth + bt.offsetWidth;
1647         var vscroll = false, hscroll = false;
1648
1649         this.scrollSizer.setSize(scrollWidth, scrollHeight+hdHeight);
1650
1651         var lw = this.lockedWrap, mw = this.mainWrap;
1652         var lb = this.lockedBody, mb = this.mainBody;
1653
1654         setTimeout(function(){
1655             var t = s.dom.offsetTop;
1656             var w = s.dom.clientWidth,
1657                 h = s.dom.clientHeight;
1658
1659             lw.setTop(t);
1660             lw.setSize(ltWidth, h);
1661
1662             mw.setLeftTop(ltWidth, t);
1663             mw.setSize(w-ltWidth, h);
1664
1665             lb.setHeight(h-hdHeight);
1666             mb.setHeight(h-hdHeight);
1667
1668             if(is2ndPass !== true && !gv.userResized && expandCol){
1669                 // high speed resize without full column calculation
1670
1671                 var ci = cm.getIndexById(expandCol);
1672                 if (ci < 0) {
1673                     ci = cm.findColumnIndex(expandCol);
1674                 }
1675                 ci = Math.max(0, ci); // make sure it's got at least the first col.
1676                 var expandId = cm.getColumnId(ci);
1677                 var  tw = cm.getTotalWidth(false);
1678                 var currentWidth = cm.getColumnWidth(ci);
1679                 var cw = Math.min(Math.max(((w-tw)+currentWidth-2)-/*scrollbar*/(w <= s.dom.offsetWidth ? 0 : 18), g.autoExpandMin), g.autoExpandMax);
1680                 if(currentWidth != cw){
1681                     cm.setColumnWidth(ci, cw, true);
1682                     gv.css.updateRule(gv.colSelector+gv.idToCssName(expandId), "width", (cw - gv.borderWidth) + "px");
1683                     gv.css.updateRule(gv.hdSelector+gv.idToCssName(expandId), "width", (cw - gv.borderWidth) + "px");
1684                     gv.updateSplitters();
1685                     gv.layout(false, true);
1686                 }
1687             }
1688
1689             if(initialRender){
1690                 lw.show();
1691                 mw.show();
1692             }
1693             //c.endMeasure();
1694         }, 10);
1695     },
1696
1697     onWindowResize : function(){
1698         if(!this.grid.monitorWindowResize || this.grid.autoHeight){
1699             return;
1700         }
1701         this.layout();
1702     },
1703
1704     appendFooter : function(parentEl){
1705         return null;
1706     },
1707
1708     sortAscText : "Sort Ascending",
1709     sortDescText : "Sort Descending",
1710     lockText : "Lock Column",
1711     unlockText : "Unlock Column",
1712     columnsText : "Columns",
1713
1714     columnsWiderText : "Wider",
1715     columnsNarrowText : "Thinner"
1716 });
1717
1718
1719 Roo.grid.GridView.ColumnDragZone = function(grid, hd){
1720     Roo.grid.GridView.ColumnDragZone.superclass.constructor.call(this, grid, hd, null);
1721     this.proxy.el.addClass('x-grid3-col-dd');
1722 };
1723
1724 Roo.extend(Roo.grid.GridView.ColumnDragZone, Roo.grid.HeaderDragZone, {
1725     handleMouseDown : function(e){
1726
1727     },
1728
1729     callHandleMouseDown : function(e){
1730         Roo.grid.GridView.ColumnDragZone.superclass.handleMouseDown.call(this, e);
1731     }
1732 });