--- /dev/null
+<html>
+<head>
+ <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
+ <title>The source code</title>
+ <link href="../resources/prettify/prettify.css" type="text/css" rel="stylesheet" />
+ <script type="text/javascript" src="../resources/prettify/prettify.js"></script>
+</head>
+<body onload="prettyPrint();">
+ <pre class="prettyprint lang-js">/*!
+ * 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('<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>');
+ }
+ 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
+ };
+ }
+});</pre>
+</body>
+</html>
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