/*!
 * Ext JS Library 3.3.0
 * Copyright(c) 2006-2010 Ext JS, Inc.
 * licensing@extjs.com
 * http://www.extjs.com/license
 */
Ext.ns('Ext.ux.grid');

Ext.ux.grid.ColumnHeaderGroup = Ext.extend(Ext.util.Observable, {

    constructor: function(config){
        this.config = config;
    },

    init: function(grid){
        Ext.applyIf(grid.colModel, this.config);
        Ext.apply(grid.getView(), this.viewConfig);
    },

    viewConfig: {
        initTemplates: function(){
            this.constructor.prototype.initTemplates.apply(this, arguments);
            var ts = this.templates || {};
            if(!ts.gcell){
                ts.gcell = new Ext.XTemplate('', '
', this.grid.enableHdMenu ? '' : '', '{value}
'); } this.templates = ts; this.hrowRe = new RegExp("ux-grid-hd-group-row-(\\d+)", ""); }, renderHeaders: function(){ var ts = this.templates, headers = [], cm = this.cm, rows = cm.rows, tstyle = 'width:' + this.getTotalWidth() + ';'; for(var row = 0, rlen = rows.length; row < rlen; row++){ var r = rows[row], cells = []; for(var i = 0, gcol = 0, len = r.length; i < len; i++){ var group = r[i]; group.colspan = group.colspan || 1; var id = this.getColumnId(group.dataIndex ? cm.findColumnIndex(group.dataIndex) : gcol), gs = Ext.ux.grid.ColumnHeaderGroup.prototype.getGroupStyle.call(this, group, gcol); cells[i] = ts.gcell.apply({ cls: 'ux-grid-hd-group-cell', id: id, row: row, style: 'width:' + gs.width + ';' + (gs.hidden ? 'display:none;' : '') + (group.align ? 'text-align:' + group.align + ';' : ''), tooltip: group.tooltip ? (Ext.QuickTips.isEnabled() ? 'ext:qtip' : 'title') + '="' + group.tooltip + '"' : '', istyle: group.align == 'right' ? 'padding-right:16px' : '', btn: this.grid.enableHdMenu && group.header, value: group.header || ' ' }); gcol += group.colspan; } headers[row] = ts.header.apply({ tstyle: tstyle, cells: cells.join('') }); } headers.push(this.constructor.prototype.renderHeaders.apply(this, arguments)); return headers.join(''); }, onColumnWidthUpdated: function(){ this.constructor.prototype.onColumnWidthUpdated.apply(this, arguments); Ext.ux.grid.ColumnHeaderGroup.prototype.updateGroupStyles.call(this); }, onAllColumnWidthsUpdated: function(){ this.constructor.prototype.onAllColumnWidthsUpdated.apply(this, arguments); Ext.ux.grid.ColumnHeaderGroup.prototype.updateGroupStyles.call(this); }, onColumnHiddenUpdated: function(){ this.constructor.prototype.onColumnHiddenUpdated.apply(this, arguments); Ext.ux.grid.ColumnHeaderGroup.prototype.updateGroupStyles.call(this); }, getHeaderCell: function(index){ return this.mainHd.query(this.cellSelector)[index]; }, findHeaderCell: function(el){ return el ? this.fly(el).findParent('td.x-grid3-hd', this.cellSelectorDepth) : false; }, findHeaderIndex: function(el){ var cell = this.findHeaderCell(el); return cell ? this.getCellIndex(cell) : false; }, updateSortIcon: function(col, dir){ var sc = this.sortClasses, hds = this.mainHd.select(this.cellSelector).removeClass(sc); hds.item(col).addClass(sc[dir == "DESC" ? 1 : 0]); }, handleHdDown: function(e, t){ var el = Ext.get(t); if(el.hasClass('x-grid3-hd-btn')){ e.stopEvent(); var hd = this.findHeaderCell(t); Ext.fly(hd).addClass('x-grid3-hd-menu-open'); var index = this.getCellIndex(hd); this.hdCtxIndex = index; var ms = this.hmenu.items, cm = this.cm; ms.get('asc').setDisabled(!cm.isSortable(index)); ms.get('desc').setDisabled(!cm.isSortable(index)); this.hmenu.on('hide', function(){ Ext.fly(hd).removeClass('x-grid3-hd-menu-open'); }, this, { single: true }); this.hmenu.show(t, 'tl-bl?'); }else if(el.hasClass('ux-grid-hd-group-cell') || Ext.fly(t).up('.ux-grid-hd-group-cell')){ e.stopEvent(); } }, handleHdMove: function(e, t){ var hd = this.findHeaderCell(this.activeHdRef); if(hd && !this.headersDisabled && !Ext.fly(hd).hasClass('ux-grid-hd-group-cell')){ var hw = this.splitHandleWidth || 5, r = this.activeHdRegion, x = e.getPageX(), ss = hd.style, cur = ''; if(this.grid.enableColumnResize !== false){ if(x - r.left <= hw && this.cm.isResizable(this.activeHdIndex - 1)){ cur = Ext.isAir ? 'move' : Ext.isWebKit ? 'e-resize' : 'col-resize'; // col-resize // not // always // supported }else if(r.right - x <= (!this.activeHdBtn ? hw : 2) && this.cm.isResizable(this.activeHdIndex)){ cur = Ext.isAir ? 'move' : Ext.isWebKit ? 'w-resize' : 'col-resize'; } } ss.cursor = cur; } }, handleHdOver: function(e, t){ var hd = this.findHeaderCell(t); if(hd && !this.headersDisabled){ this.activeHdRef = t; this.activeHdIndex = this.getCellIndex(hd); var fly = this.fly(hd); this.activeHdRegion = fly.getRegion(); if(!(this.cm.isMenuDisabled(this.activeHdIndex) || fly.hasClass('ux-grid-hd-group-cell'))){ fly.addClass('x-grid3-hd-over'); this.activeHdBtn = fly.child('.x-grid3-hd-btn'); if(this.activeHdBtn){ this.activeHdBtn.dom.style.height = (hd.firstChild.offsetHeight - 1) + 'px'; } } } }, handleHdOut: function(e, t){ var hd = this.findHeaderCell(t); if(hd && (!Ext.isIE || !e.within(hd, true))){ this.activeHdRef = null; this.fly(hd).removeClass('x-grid3-hd-over'); hd.style.cursor = ''; } }, handleHdMenuClick: function(item){ var index = this.hdCtxIndex, cm = this.cm, ds = this.ds, id = item.getItemId(); switch(id){ case 'asc': ds.sort(cm.getDataIndex(index), 'ASC'); break; case 'desc': ds.sort(cm.getDataIndex(index), 'DESC'); break; default: if(id.substr(0, 6) == 'group-'){ var i = id.split('-'), row = parseInt(i[1], 10), col = parseInt(i[2], 10), r = this.cm.rows[row], group, gcol = 0; for(var i = 0, len = r.length; i < len; i++){ group = r[i]; if(col >= gcol && col < gcol + group.colspan){ break; } gcol += group.colspan; } if(item.checked){ var max = cm.getColumnsBy(this.isHideableColumn, this).length; for(var i = gcol, len = gcol + group.colspan; i < len; i++){ if(!cm.isHidden(i)){ max--; } } if(max < 1){ this.onDenyColumnHide(); return false; } } for(var i = gcol, len = gcol + group.colspan; i < len; i++){ if(cm.config[i].fixed !== true && cm.config[i].hideable !== false){ cm.setHidden(i, item.checked); } } }else if(id.substr(0, 4) == 'col-'){ index = cm.getIndexById(id.substr(4)); if(index != -1){ if(item.checked && cm.getColumnsBy(this.isHideableColumn, this).length <= 1){ this.onDenyColumnHide(); return false; } cm.setHidden(index, item.checked); } } if(id.substr(0, 6) == 'group-' || id.substr(0, 4) == 'col-'){ item.checked = !item.checked; if(item.menu){ var updateChildren = function(menu){ menu.items.each(function(childItem){ if(!childItem.disabled){ childItem.setChecked(item.checked, false); if(childItem.menu){ updateChildren(childItem.menu); } } }); } updateChildren(item.menu); } var parentMenu = item, parentItem; while(parentMenu = parentMenu.parentMenu){ if(!parentMenu.parentMenu || !(parentItem = parentMenu.parentMenu.items.get(parentMenu.getItemId())) || !parentItem.setChecked){ break; } var checked = parentMenu.items.findIndexBy(function(m){ return m.checked; }) >= 0; parentItem.setChecked(checked, true); } item.checked = !item.checked; } } return true; }, beforeColMenuShow: function(){ var cm = this.cm, rows = this.cm.rows; this.colMenu.removeAll(); for(var col = 0, clen = cm.getColumnCount(); col < clen; col++){ var menu = this.colMenu, title = cm.getColumnHeader(col), text = []; if(cm.config[col].fixed !== true && cm.config[col].hideable !== false){ for(var row = 0, rlen = rows.length; row < rlen; row++){ var r = rows[row], group, gcol = 0; for(var i = 0, len = r.length; i < len; i++){ group = r[i]; if(col >= gcol && col < gcol + group.colspan){ break; } gcol += group.colspan; } if(group && group.header){ if(cm.hierarchicalColMenu){ var gid = 'group-' + row + '-' + gcol, item = menu.items ? menu.getComponent(gid) : null, submenu = item ? item.menu : null; if(!submenu){ submenu = new Ext.menu.Menu({ itemId: gid }); submenu.on("itemclick", this.handleHdMenuClick, this); var checked = false, disabled = true; for(var c = gcol, lc = gcol + group.colspan; c < lc; c++){ if(!cm.isHidden(c)){ checked = true; } if(cm.config[c].hideable !== false){ disabled = false; } } menu.add({ itemId: gid, text: group.header, menu: submenu, hideOnClick: false, checked: checked, disabled: disabled }); } menu = submenu; }else{ text.push(group.header); } } } text.push(title); menu.add(new Ext.menu.CheckItem({ itemId: "col-" + cm.getColumnId(col), text: text.join(' '), checked: !cm.isHidden(col), hideOnClick: false, disabled: cm.config[col].hideable === false })); } } }, afterRenderUI: function(){ this.constructor.prototype.afterRenderUI.apply(this, arguments); Ext.apply(this.columnDrop, Ext.ux.grid.ColumnHeaderGroup.prototype.columnDropConfig); Ext.apply(this.splitZone, Ext.ux.grid.ColumnHeaderGroup.prototype.splitZoneConfig); } }, splitZoneConfig: { allowHeaderDrag: function(e){ return !e.getTarget(null, null, true).hasClass('ux-grid-hd-group-cell'); } }, columnDropConfig: { getTargetFromEvent: function(e){ var t = Ext.lib.Event.getTarget(e); return this.view.findHeaderCell(t); }, positionIndicator: function(h, n, e){ var data = Ext.ux.grid.ColumnHeaderGroup.prototype.getDragDropData.call(this, h, n, e); if(data === false){ return false; } var px = data.px + this.proxyOffsets[0]; this.proxyTop.setLeftTop(px, data.r.top + this.proxyOffsets[1]); this.proxyTop.show(); this.proxyBottom.setLeftTop(px, data.r.bottom); this.proxyBottom.show(); return data.pt; }, onNodeDrop: function(n, dd, e, data){ var h = data.header; if(h != n){ var d = Ext.ux.grid.ColumnHeaderGroup.prototype.getDragDropData.call(this, h, n, e); if(d === false){ return false; } var cm = this.grid.colModel, right = d.oldIndex < d.newIndex, rows = cm.rows; for(var row = d.row, rlen = rows.length; row < rlen; row++){ var r = rows[row], len = r.length, fromIx = 0, span = 1, toIx = len; for(var i = 0, gcol = 0; i < len; i++){ var group = r[i]; if(d.oldIndex >= gcol && d.oldIndex < gcol + group.colspan){ fromIx = i; } if(d.oldIndex + d.colspan - 1 >= gcol && d.oldIndex + d.colspan - 1 < gcol + group.colspan){ span = i - fromIx + 1; } if(d.newIndex >= gcol && d.newIndex < gcol + group.colspan){ toIx = i; } gcol += group.colspan; } var groups = r.splice(fromIx, span); rows[row] = r.splice(0, toIx - (right ? span : 0)).concat(groups).concat(r); } for(var c = 0; c < d.colspan; c++){ var oldIx = d.oldIndex + (right ? 0 : c), newIx = d.newIndex + (right ? -1 : c); cm.moveColumn(oldIx, newIx); this.grid.fireEvent("columnmove", oldIx, newIx); } return true; } return false; } }, getGroupStyle: function(group, gcol){ var width = 0, hidden = true; for(var i = gcol, len = gcol + group.colspan; i < len; i++){ if(!this.cm.isHidden(i)){ var cw = this.cm.getColumnWidth(i); if(typeof cw == 'number'){ width += cw; } hidden = false; } } return { width: (Ext.isBorderBox || (Ext.isWebKit && !Ext.isSafari2) ? width : Math.max(width - this.borderWidth, 0)) + 'px', hidden: hidden }; }, updateGroupStyles: function(col){ var tables = this.mainHd.query('.x-grid3-header-offset > table'), tw = this.getTotalWidth(), rows = this.cm.rows; for(var row = 0; row < tables.length; row++){ tables[row].style.width = tw; if(row < rows.length){ var cells = tables[row].firstChild.firstChild.childNodes; for(var i = 0, gcol = 0; i < cells.length; i++){ var group = rows[row][i]; if((typeof col != 'number') || (col >= gcol && col < gcol + group.colspan)){ var gs = Ext.ux.grid.ColumnHeaderGroup.prototype.getGroupStyle.call(this, group, gcol); cells[i].style.width = gs.width; cells[i].style.display = gs.hidden ? 'none' : ''; } gcol += group.colspan; } } } }, getGroupRowIndex: function(el){ if(el){ var m = el.className.match(this.hrowRe); if(m && m[1]){ return parseInt(m[1], 10); } } return this.cm.rows.length; }, getGroupSpan: function(row, col){ if(row < 0){ return { col: 0, colspan: this.cm.getColumnCount() }; } var r = this.cm.rows[row]; if(r){ for(var i = 0, gcol = 0, len = r.length; i < len; i++){ var group = r[i]; if(col >= gcol && col < gcol + group.colspan){ return { col: gcol, colspan: group.colspan }; } gcol += group.colspan; } return { col: gcol, colspan: 0 }; } return { col: col, colspan: 1 }; }, getDragDropData: function(h, n, e){ if(h.parentNode != n.parentNode){ return false; } var cm = this.grid.colModel, x = Ext.lib.Event.getPageX(e), r = Ext.lib.Dom.getRegion(n.firstChild), px, pt; if((r.right - x) <= (r.right - r.left) / 2){ px = r.right + this.view.borderWidth; pt = "after"; }else{ px = r.left; pt = "before"; } var oldIndex = this.view.getCellIndex(h), newIndex = this.view.getCellIndex(n); if(cm.isFixed(newIndex)){ return false; } var row = Ext.ux.grid.ColumnHeaderGroup.prototype.getGroupRowIndex.call(this.view, h), oldGroup = Ext.ux.grid.ColumnHeaderGroup.prototype.getGroupSpan.call(this.view, row, oldIndex), newGroup = Ext.ux.grid.ColumnHeaderGroup.prototype.getGroupSpan.call(this.view, row, newIndex), oldIndex = oldGroup.col; newIndex = newGroup.col + (pt == "after" ? newGroup.colspan : 0); if(newIndex >= oldGroup.col && newIndex <= oldGroup.col + oldGroup.colspan){ return false; } var parentGroup = Ext.ux.grid.ColumnHeaderGroup.prototype.getGroupSpan.call(this.view, row - 1, oldIndex); if(newIndex < parentGroup.col || newIndex > parentGroup.col + parentGroup.colspan){ return false; } return { r: r, px: px, pt: pt, row: row, oldIndex: oldIndex, newIndex: newIndex, colspan: oldGroup.colspan }; } });