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