examples/ux/ColumnHeaderGroup.js

   1 /*!
   2  * Ext JS Library 3.1.0
   3  * Copyright(c) 2006-2009 Ext JS, LLC
   4  * licensing@extjs.com
   5  * http://www.extjs.com/license
   6  */
   7 Ext.ns('Ext.ux.grid');\r
   8 \r
   9 if(Ext.isWebKit){\r
  10     Ext.grid.GridView.prototype.borderWidth = 0;\r
  11 }\r
  12 \r
  13 Ext.ux.grid.ColumnHeaderGroup = Ext.extend(Ext.util.Observable, {\r
  14 \r
  15     constructor: function(config){\r
  16         this.config = config;\r
  17     },\r
  18 \r
  19     init: function(grid){\r
  20         Ext.applyIf(grid.colModel, this.config);\r
  21         Ext.apply(grid.getView(), this.viewConfig);\r
  22     },\r
  23 \r
  24     viewConfig: {\r
  25         initTemplates: function(){\r
  26             this.constructor.prototype.initTemplates.apply(this, arguments);\r
  27             var ts = this.templates || {};\r
  28             if(!ts.gcell){\r
  29                 ts.gcell = new Ext.XTemplate('<td class="x-grid3-hd x-grid3-gcell x-grid3-td-{id} ux-grid-hd-group-row-{row} {cls}" style="{style}">', '<div {tooltip} class="x-grid3-hd-inner x-grid3-hd-{id}" unselectable="on" style="{istyle}">', this.grid.enableHdMenu ? '<a class="x-grid3-hd-btn" href="#"></a>' : '', '{value}</div></td>');\r
  30             }\r
  31             this.templates = ts;\r
  32             this.hrowRe = new RegExp("ux-grid-hd-group-row-(\\d+)", "");\r
  33         },\r
  34 \r
  35         renderHeaders: function(){\r
  36             var ts = this.templates, headers = [], cm = this.cm, rows = cm.rows, tstyle = 'width:' + this.getTotalWidth() + ';';\r
  37 \r
  38             for(var row = 0, rlen = rows.length; row < rlen; row++){\r
  39                 var r = rows[row], cells = [];\r
  40                 for(var i = 0, gcol = 0, len = r.length; i < len; i++){\r
  41                     var group = r[i];\r
  42                     group.colspan = group.colspan || 1;\r
  43                     var id = this.getColumnId(group.dataIndex ? cm.findColumnIndex(group.dataIndex) : gcol), gs = Ext.ux.grid.ColumnHeaderGroup.prototype.getGroupStyle.call(this, group, gcol);\r
  44                     cells[i] = ts.gcell.apply({\r
  45                         cls: 'ux-grid-hd-group-cell',\r
  46                         id: id,\r
  47                         row: row,\r
  48                         style: 'width:' + gs.width + ';' + (gs.hidden ? 'display:none;' : '') + (group.align ? 'text-align:' + group.align + ';' : ''),\r
  49                         tooltip: group.tooltip ? (Ext.QuickTips.isEnabled() ? 'ext:qtip' : 'title') + '="' + group.tooltip + '"' : '',\r
  50                         istyle: group.align == 'right' ? 'padding-right:16px' : '',\r
  51                         btn: this.grid.enableHdMenu && group.header,\r
  52                         value: group.header || '&nbsp;'\r
  53                     });\r
  54                     gcol += group.colspan;\r
  55                 }\r
  56                 headers[row] = ts.header.apply({\r
  57                     tstyle: tstyle,\r
  58                     cells: cells.join('')\r
  59                 });\r
  60             }\r
  61             headers.push(this.constructor.prototype.renderHeaders.apply(this, arguments));\r
  62             return headers.join('');\r
  63         },\r
  64 \r
  65         onColumnWidthUpdated: function(){\r
  66             this.constructor.prototype.onColumnWidthUpdated.apply(this, arguments);\r
  67             Ext.ux.grid.ColumnHeaderGroup.prototype.updateGroupStyles.call(this);\r
  68         },\r
  69 \r
  70         onAllColumnWidthsUpdated: function(){\r
  71             this.constructor.prototype.onAllColumnWidthsUpdated.apply(this, arguments);\r
  72             Ext.ux.grid.ColumnHeaderGroup.prototype.updateGroupStyles.call(this);\r
  73         },\r
  74 \r
  75         onColumnHiddenUpdated: function(){\r
  76             this.constructor.prototype.onColumnHiddenUpdated.apply(this, arguments);\r
  77             Ext.ux.grid.ColumnHeaderGroup.prototype.updateGroupStyles.call(this);\r
  78         },\r
  79 \r
  80         getHeaderCell: function(index){\r
  81             return this.mainHd.query(this.cellSelector)[index];\r
  82         },\r
  83 \r
  84         findHeaderCell: function(el){\r
  85             return el ? this.fly(el).findParent('td.x-grid3-hd', this.cellSelectorDepth) : false;\r
  86         },\r
  87 \r
  88         findHeaderIndex: function(el){\r
  89             var cell = this.findHeaderCell(el);\r
  90             return cell ? this.getCellIndex(cell) : false;\r
  91         },\r
  92 \r
  93         updateSortIcon: function(col, dir){\r
  94             var sc = this.sortClasses, hds = this.mainHd.select(this.cellSelector).removeClass(sc);\r
  95             hds.item(col).addClass(sc[dir == "DESC" ? 1 : 0]);\r
  96         },\r
  97 \r
  98         handleHdDown: function(e, t){\r
  99             var el = Ext.get(t);\r
 100             if(el.hasClass('x-grid3-hd-btn')){\r
 101                 e.stopEvent();\r
 102                 var hd = this.findHeaderCell(t);\r
 103                 Ext.fly(hd).addClass('x-grid3-hd-menu-open');\r
 104                 var index = this.getCellIndex(hd);\r
 105                 this.hdCtxIndex = index;\r
 106                 var ms = this.hmenu.items, cm = this.cm;\r
 107                 ms.get('asc').setDisabled(!cm.isSortable(index));\r
 108                 ms.get('desc').setDisabled(!cm.isSortable(index));\r
 109                 this.hmenu.on('hide', function(){\r
 110                     Ext.fly(hd).removeClass('x-grid3-hd-menu-open');\r
 111                 }, this, {\r
 112                     single: true\r
 113                 });\r
 114                 this.hmenu.show(t, 'tl-bl?');\r
 115             }else if(el.hasClass('ux-grid-hd-group-cell') || Ext.fly(t).up('.ux-grid-hd-group-cell')){\r
 116                 e.stopEvent();\r
 117             }\r
 118         },\r
 119 \r
 120         handleHdMove: function(e, t){\r
 121             var hd = this.findHeaderCell(this.activeHdRef);\r
 122             if(hd && !this.headersDisabled && !Ext.fly(hd).hasClass('ux-grid-hd-group-cell')){\r
 123                 var hw = this.splitHandleWidth || 5, r = this.activeHdRegion, x = e.getPageX(), ss = hd.style, cur = '';\r
 124                 if(this.grid.enableColumnResize !== false){\r
 125                     if(x - r.left <= hw && this.cm.isResizable(this.activeHdIndex - 1)){\r
 126                         cur = Ext.isAir ? 'move' : Ext.isWebKit ? 'e-resize' : 'col-resize'; // col-resize\r
 127                                                                                                 // not\r
 128                                                                                                 // always\r
 129                                                                                                 // supported\r
 130                     }else if(r.right - x <= (!this.activeHdBtn ? hw : 2) && this.cm.isResizable(this.activeHdIndex)){\r
 131                         cur = Ext.isAir ? 'move' : Ext.isWebKit ? 'w-resize' : 'col-resize';\r
 132                     }\r
 133                 }\r
 134                 ss.cursor = cur;\r
 135             }\r
 136         },\r
 137 \r
 138         handleHdOver: function(e, t){\r
 139             var hd = this.findHeaderCell(t);\r
 140             if(hd && !this.headersDisabled){\r
 141                 this.activeHdRef = t;\r
 142                 this.activeHdIndex = this.getCellIndex(hd);\r
 143                 var fly = this.fly(hd);\r
 144                 this.activeHdRegion = fly.getRegion();\r
 145                 if(!(this.cm.isMenuDisabled(this.activeHdIndex) || fly.hasClass('ux-grid-hd-group-cell'))){\r
 146                     fly.addClass('x-grid3-hd-over');\r
 147                     this.activeHdBtn = fly.child('.x-grid3-hd-btn');\r
 148                     if(this.activeHdBtn){\r
 149                         this.activeHdBtn.dom.style.height = (hd.firstChild.offsetHeight - 1) + 'px';\r
 150                     }\r
 151                 }\r
 152             }\r
 153         },\r
 154 \r
 155         handleHdOut: function(e, t){\r
 156             var hd = this.findHeaderCell(t);\r
 157             if(hd && (!Ext.isIE || !e.within(hd, true))){\r
 158                 this.activeHdRef = null;\r
 159                 this.fly(hd).removeClass('x-grid3-hd-over');\r
 160                 hd.style.cursor = '';\r
 161             }\r
 162         },\r
 163 \r
 164         handleHdMenuClick: function(item){\r
 165             var index = this.hdCtxIndex, cm = this.cm, ds = this.ds, id = item.getItemId();\r
 166             switch(id){\r
 167                 case 'asc':\r
 168                     ds.sort(cm.getDataIndex(index), 'ASC');\r
 169                     break;\r
 170                 case 'desc':\r
 171                     ds.sort(cm.getDataIndex(index), 'DESC');\r
 172                     break;\r
 173                 default:\r
 174                     if(id.substr(0, 5) == 'group'){\r
 175                         var i = id.split('-'), row = parseInt(i[1], 10), col = parseInt(i[2], 10), r = this.cm.rows[row], group, gcol = 0;\r
 176                         for(var i = 0, len = r.length; i < len; i++){\r
 177                             group = r[i];\r
 178                             if(col >= gcol && col < gcol + group.colspan){\r
 179                                 break;\r
 180                             }\r
 181                             gcol += group.colspan;\r
 182                         }\r
 183                         if(item.checked){\r
 184                             var max = cm.getColumnsBy(this.isHideableColumn, this).length;\r
 185                             for(var i = gcol, len = gcol + group.colspan; i < len; i++){\r
 186                                 if(!cm.isHidden(i)){\r
 187                                     max--;\r
 188                                 }\r
 189                             }\r
 190                             if(max < 1){\r
 191                                 this.onDenyColumnHide();\r
 192                                 return false;\r
 193                             }\r
 194                         }\r
 195                         for(var i = gcol, len = gcol + group.colspan; i < len; i++){\r
 196                             if(cm.config[i].fixed !== true && cm.config[i].hideable !== false){\r
 197                                 cm.setHidden(i, item.checked);\r
 198                             }\r
 199                         }\r
 200                     }else{\r
 201                         index = cm.getIndexById(id.substr(4));\r
 202                         if(index != -1){\r
 203                             if(item.checked && cm.getColumnsBy(this.isHideableColumn, this).length <= 1){\r
 204                                 this.onDenyColumnHide();\r
 205                                 return false;\r
 206                             }\r
 207                             cm.setHidden(index, item.checked);\r
 208                         }\r
 209                     }\r
 210                     item.checked = !item.checked;\r
 211                     if(item.menu){\r
 212                         var updateChildren = function(menu){\r
 213                             menu.items.each(function(childItem){\r
 214                                 if(!childItem.disabled){\r
 215                                     childItem.setChecked(item.checked, false);\r
 216                                     if(childItem.menu){\r
 217                                         updateChildren(childItem.menu);\r
 218                                     }\r
 219                                 }\r
 220                             });\r
 221                         }\r
 222                         updateChildren(item.menu);\r
 223                     }\r
 224                     var parentMenu = item, parentItem;\r
 225                     while(parentMenu = parentMenu.parentMenu){\r
 226                         if(!parentMenu.parentMenu || !(parentItem = parentMenu.parentMenu.items.get(parentMenu.getItemId())) || !parentItem.setChecked){\r
 227                             break;\r
 228                         }\r
 229                         var checked = parentMenu.items.findIndexBy(function(m){\r
 230                             return m.checked;\r
 231                         }) >= 0;\r
 232                         parentItem.setChecked(checked, true);\r
 233                     }\r
 234                     item.checked = !item.checked;\r
 235             }\r
 236             return true;\r
 237         },\r
 238 \r
 239         beforeColMenuShow: function(){\r
 240             var cm = this.cm, rows = this.cm.rows;\r
 241             this.colMenu.removeAll();\r
 242             for(var col = 0, clen = cm.getColumnCount(); col < clen; col++){\r
 243                 var menu = this.colMenu, title = cm.getColumnHeader(col), text = [];\r
 244                 if(cm.config[col].fixed !== true && cm.config[col].hideable !== false){\r
 245                     for(var row = 0, rlen = rows.length; row < rlen; row++){\r
 246                         var r = rows[row], group, gcol = 0;\r
 247                         for(var i = 0, len = r.length; i < len; i++){\r
 248                             group = r[i];\r
 249                             if(col >= gcol && col < gcol + group.colspan){\r
 250                                 break;\r
 251                             }\r
 252                             gcol += group.colspan;\r
 253                         }\r
 254                         if(group && group.header){\r
 255                             if(cm.hierarchicalColMenu){\r
 256                                 var gid = 'group-' + row + '-' + gcol;\r
 257                                 var item = menu.items.item(gid);\r
 258                                 var submenu = item ? item.menu : null;\r
 259                                 if(!submenu){\r
 260                                     submenu = new Ext.menu.Menu({\r
 261                                         itemId: gid\r
 262                                     });\r
 263                                     submenu.on("itemclick", this.handleHdMenuClick, this);\r
 264                                     var checked = false, disabled = true;\r
 265                                     for(var c = gcol, lc = gcol + group.colspan; c < lc; c++){\r
 266                                         if(!cm.isHidden(c)){\r
 267                                             checked = true;\r
 268                                         }\r
 269                                         if(cm.config[c].hideable !== false){\r
 270                                             disabled = false;\r
 271                                         }\r
 272                                     }\r
 273                                     menu.add({\r
 274                                         itemId: gid,\r
 275                                         text: group.header,\r
 276                                         menu: submenu,\r
 277                                         hideOnClick: false,\r
 278                                         checked: checked,\r
 279                                         disabled: disabled\r
 280                                     });\r
 281                                 }\r
 282                                 menu = submenu;\r
 283                             }else{\r
 284                                 text.push(group.header);\r
 285                             }\r
 286                         }\r
 287                     }\r
 288                     text.push(title);\r
 289                     menu.add(new Ext.menu.CheckItem({\r
 290                         itemId: "col-" + cm.getColumnId(col),\r
 291                         text: text.join(' '),\r
 292                         checked: !cm.isHidden(col),\r
 293                         hideOnClick: false,\r
 294                         disabled: cm.config[col].hideable === false\r
 295                     }));\r
 296                 }\r
 297             }\r
 298         },\r
 299 \r
 300         renderUI: function(){\r
 301             this.constructor.prototype.renderUI.apply(this, arguments);\r
 302             Ext.apply(this.columnDrop, Ext.ux.grid.ColumnHeaderGroup.prototype.columnDropConfig);\r
 303             Ext.apply(this.splitZone, Ext.ux.grid.ColumnHeaderGroup.prototype.splitZoneConfig);\r
 304         }\r
 305     },\r
 306 \r
 307     splitZoneConfig: {\r
 308         allowHeaderDrag: function(e){\r
 309             return !e.getTarget(null, null, true).hasClass('ux-grid-hd-group-cell');\r
 310         }\r
 311     },\r
 312 \r
 313     columnDropConfig: {\r
 314         getTargetFromEvent: function(e){\r
 315             var t = Ext.lib.Event.getTarget(e);\r
 316             return this.view.findHeaderCell(t);\r
 317         },\r
 318 \r
 319         positionIndicator: function(h, n, e){\r
 320             var data = Ext.ux.grid.ColumnHeaderGroup.prototype.getDragDropData.call(this, h, n, e);\r
 321             if(data === false){\r
 322                 return false;\r
 323             }\r
 324             var px = data.px + this.proxyOffsets[0];\r
 325             this.proxyTop.setLeftTop(px, data.r.top + this.proxyOffsets[1]);\r
 326             this.proxyTop.show();\r
 327             this.proxyBottom.setLeftTop(px, data.r.bottom);\r
 328             this.proxyBottom.show();\r
 329             return data.pt;\r
 330         },\r
 331 \r
 332         onNodeDrop: function(n, dd, e, data){\r
 333             var h = data.header;\r
 334             if(h != n){\r
 335                 var d = Ext.ux.grid.ColumnHeaderGroup.prototype.getDragDropData.call(this, h, n, e);\r
 336                 if(d === false){\r
 337                     return false;\r
 338                 }\r
 339                 var cm = this.grid.colModel, right = d.oldIndex < d.newIndex, rows = cm.rows;\r
 340                 for(var row = d.row, rlen = rows.length; row < rlen; row++){\r
 341                     var r = rows[row], len = r.length, fromIx = 0, span = 1, toIx = len;\r
 342                     for(var i = 0, gcol = 0; i < len; i++){\r
 343                         var group = r[i];\r
 344                         if(d.oldIndex >= gcol && d.oldIndex < gcol + group.colspan){\r
 345                             fromIx = i;\r
 346                         }\r
 347                         if(d.oldIndex + d.colspan - 1 >= gcol && d.oldIndex + d.colspan - 1 < gcol + group.colspan){\r
 348                             span = i - fromIx + 1;\r
 349                         }\r
 350                         if(d.newIndex >= gcol && d.newIndex < gcol + group.colspan){\r
 351                             toIx = i;\r
 352                         }\r
 353                         gcol += group.colspan;\r
 354                     }\r
 355                     var groups = r.splice(fromIx, span);\r
 356                     rows[row] = r.splice(0, toIx - (right ? span : 0)).concat(groups).concat(r);\r
 357                 }\r
 358                 for(var c = 0; c < d.colspan; c++){\r
 359                     var oldIx = d.oldIndex + (right ? 0 : c), newIx = d.newIndex + (right ? -1 : c);\r
 360                     cm.moveColumn(oldIx, newIx);\r
 361                     this.grid.fireEvent("columnmove", oldIx, newIx);\r
 362                 }\r
 363                 return true;\r
 364             }\r
 365             return false;\r
 366         }\r
 367     },\r
 368 \r
 369     getGroupStyle: function(group, gcol){\r
 370         var width = 0, hidden = true;\r
 371         for(var i = gcol, len = gcol + group.colspan; i < len; i++){\r
 372             if(!this.cm.isHidden(i)){\r
 373                 var cw = this.cm.getColumnWidth(i);\r
 374                 if(typeof cw == 'number'){\r
 375                     width += cw;\r
 376                 }\r
 377                 hidden = false;\r
 378             }\r
 379         }\r
 380         return {\r
 381             width: (Ext.isBorderBox ? width : Math.max(width - this.borderWidth, 0)) + 'px',\r
 382             hidden: hidden\r
 383         };\r
 384     },\r
 385 \r
 386     updateGroupStyles: function(col){\r
 387         var tables = this.mainHd.query('.x-grid3-header-offset > table'), tw = this.getTotalWidth(), rows = this.cm.rows;\r
 388         for(var row = 0; row < tables.length; row++){\r
 389             tables[row].style.width = tw;\r
 390             if(row < rows.length){\r
 391                 var cells = tables[row].firstChild.firstChild.childNodes;\r
 392                 for(var i = 0, gcol = 0; i < cells.length; i++){\r
 393                     var group = rows[row][i];\r
 394                     if((typeof col != 'number') || (col >= gcol && col < gcol + group.colspan)){\r
 395                         var gs = Ext.ux.grid.ColumnHeaderGroup.prototype.getGroupStyle.call(this, group, gcol);\r
 396                         cells[i].style.width = gs.width;\r
 397                         cells[i].style.display = gs.hidden ? 'none' : '';\r
 398                     }\r
 399                     gcol += group.colspan;\r
 400                 }\r
 401             }\r
 402         }\r
 403     },\r
 404 \r
 405     getGroupRowIndex: function(el){\r
 406         if(el){\r
 407             var m = el.className.match(this.hrowRe);\r
 408             if(m && m[1]){\r
 409                 return parseInt(m[1], 10);\r
 410             }\r
 411         }\r
 412         return this.cm.rows.length;\r
 413     },\r
 414 \r
 415     getGroupSpan: function(row, col){\r
 416         if(row < 0){\r
 417             return {\r
 418                 col: 0,\r
 419                 colspan: this.cm.getColumnCount()\r
 420             };\r
 421         }\r
 422         var r = this.cm.rows[row];\r
 423         if(r){\r
 424             for(var i = 0, gcol = 0, len = r.length; i < len; i++){\r
 425                 var group = r[i];\r
 426                 if(col >= gcol && col < gcol + group.colspan){\r
 427                     return {\r
 428                         col: gcol,\r
 429                         colspan: group.colspan\r
 430                     };\r
 431                 }\r
 432                 gcol += group.colspan;\r
 433             }\r
 434             return {\r
 435                 col: gcol,\r
 436                 colspan: 0\r
 437             };\r
 438         }\r
 439         return {\r
 440             col: col,\r
 441             colspan: 1\r
 442         };\r
 443     },\r
 444 \r
 445     getDragDropData: function(h, n, e){\r
 446         if(h.parentNode != n.parentNode){\r
 447             return false;\r
 448         }\r
 449         var cm = this.grid.colModel, x = Ext.lib.Event.getPageX(e), r = Ext.lib.Dom.getRegion(n.firstChild), px, pt;\r
 450         if((r.right - x) <= (r.right - r.left) / 2){\r
 451             px = r.right + this.view.borderWidth;\r
 452             pt = "after";\r
 453         }else{\r
 454             px = r.left;\r
 455             pt = "before";\r
 456         }\r
 457         var oldIndex = this.view.getCellIndex(h), newIndex = this.view.getCellIndex(n);\r
 458         if(cm.isFixed(newIndex)){\r
 459             return false;\r
 460         }\r
 461         var row = Ext.ux.grid.ColumnHeaderGroup.prototype.getGroupRowIndex.call(this.view, h), \r
 462             oldGroup = Ext.ux.grid.ColumnHeaderGroup.prototype.getGroupSpan.call(this.view, row, oldIndex), \r
 463             newGroup = Ext.ux.grid.ColumnHeaderGroup.prototype.getGroupSpan.call(this.view, row, newIndex),\r
 464             oldIndex = oldGroup.col;\r
 465             newIndex = newGroup.col + (pt == "after" ? newGroup.colspan : 0);\r
 466         if(newIndex >= oldGroup.col && newIndex <= oldGroup.col + oldGroup.colspan){\r
 467             return false;\r
 468         }\r
 469         var parentGroup = Ext.ux.grid.ColumnHeaderGroup.prototype.getGroupSpan.call(this.view, row - 1, oldIndex);\r
 470         if(newIndex < parentGroup.col || newIndex > parentGroup.col + parentGroup.colspan){\r
 471             return false;\r
 472         }\r
 473         return {\r
 474             r: r,\r
 475             px: px,\r
 476             pt: pt,\r
 477             row: row,\r
 478             oldIndex: oldIndex,\r
 479             newIndex: newIndex,\r
 480             colspan: oldGroup.colspan\r
 481         };\r
 482     }\r
 483 });