Upgrade to ExtJS 4.0.0 - Released 04/26/2011
[extjs.git] / examples / docs / source / ColumnHeaderGroup.html
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-<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 3.3.1
- * Copyright(c) 2006-2010 Sencha Inc.
- * licensing@sencha.com
- * http://www.sencha.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 || '&nbsp;'
-                    });
-                    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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