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share/pkgs/pkg-grid-grouping-debug.js  view on Meta::CPAN

            
            if (this.enableNoGroups) {
                this.hmenu.add({
                    itemId:'showGroups',
                    text: this.showGroupsText,
                    checked: true,
                    checkHandler: this.onShowGroupsClick,
                    scope: this
                });
            }
            
            this.hmenu.on('beforeshow', this.beforeMenuShow, this);
        }
    },

    // private
    renderRows : function(){
        var groupField = this.getGroupField();
        var eg = !!groupField;
        // if they turned off grouping and the last grouped field is hidden
        if(this.hideGroupedColumn) {
            var colIndex = this.cm.findColumnIndex(groupField),
                hasLastGroupField = Ext.isDefined(this.lastGroupField);
            if(!eg && hasLastGroupField){
                this.mainBody.update('');
                this.cm.setHidden(this.cm.findColumnIndex(this.lastGroupField), false);
                delete this.lastGroupField;
            }else if (eg && !hasLastGroupField){
                this.lastGroupField = groupField;
                this.cm.setHidden(colIndex, true);
            }else if (eg && hasLastGroupField && groupField !== this.lastGroupField) {
                this.mainBody.update('');
                var oldIndex = this.cm.findColumnIndex(this.lastGroupField);
                this.cm.setHidden(oldIndex, false);
                this.lastGroupField = groupField;
                this.cm.setHidden(colIndex, true);
            }
        }
        return Ext.grid.GroupingView.superclass.renderRows.apply(
                    this, arguments);
    },

    // private
    doRender : function(cs, rs, ds, startRow, colCount, stripe){
        if(rs.length < 1){
            return '';
        }

        if(!this.canGroup() || this.isUpdating){
            return Ext.grid.GroupingView.superclass.doRender.apply(this, arguments);
        }

        var groupField = this.getGroupField(),
            colIndex = this.cm.findColumnIndex(groupField),
            g,
            gstyle = 'width:' + this.getTotalWidth() + ';',
            cfg = this.cm.config[colIndex],
            groupRenderer = cfg.groupRenderer || cfg.renderer,
            prefix = this.showGroupName ? (cfg.groupName || cfg.header)+': ' : '',
            groups = [],
            curGroup, i, len, gid;

        for(i = 0, len = rs.length; i < len; i++){
            var rowIndex = startRow + i,
                r = rs[i],
                gvalue = r.data[groupField];

                g = this.getGroup(gvalue, r, groupRenderer, rowIndex, colIndex, ds);
            if(!curGroup || curGroup.group != g){
                gid = this.constructId(gvalue, groupField, colIndex);
                // if state is defined use it, however state is in terms of expanded
                // so negate it, otherwise use the default.
                this.state[gid] = !(Ext.isDefined(this.state[gid]) ? !this.state[gid] : this.startCollapsed);
                curGroup = {
                    group: g,
                    gvalue: gvalue,
                    text: prefix + g,
                    groupId: gid,
                    startRow: rowIndex,
                    rs: [r],
                    cls: this.state[gid] ? '' : 'x-grid-group-collapsed',
                    style: gstyle
                };
                groups.push(curGroup);
            }else{
                curGroup.rs.push(r);
            }
            r._groupId = gid;
        }

        var buf = [];
        for(i = 0, len = groups.length; i < len; i++){
            g = groups[i];
            this.doGroupStart(buf, g, cs, ds, colCount);
            buf[buf.length] = Ext.grid.GroupingView.superclass.doRender.call(
                    this, cs, g.rs, ds, g.startRow, colCount, stripe);

            this.doGroupEnd(buf, g, cs, ds, colCount);
        }
        return buf.join('');
    },

    /**
     * Dynamically tries to determine the groupId of a specific value
     * @param {String} value
     * @return {String} The group id
     */
    getGroupId : function(value){
        var field = this.getGroupField();
        return this.constructId(value, field, this.cm.findColumnIndex(field));
    },

    // private
    constructId : function(value, field, idx){
        var cfg = this.cm.config[idx],
            groupRenderer = cfg.groupRenderer || cfg.renderer,
            val = (this.groupMode == 'value') ? value : this.getGroup(value, {data:{}}, groupRenderer, 0, idx, this.ds);

        return this.getPrefix(field) + Ext.util.Format.htmlEncode(val);
    },

    // private
    canGroup  : function(){
        return this.enableGrouping && !!this.getGroupField();
    },

    // private
    getPrefix: function(field){
        return this.grid.getGridEl().id + '-gp-' + field + '-';
    },

    // private
    doGroupStart : function(buf, g, cs, ds, colCount){
        buf[buf.length] = this.startGroup.apply(g);
    },

    // private
    doGroupEnd : function(buf, g, cs, ds, colCount){
        buf[buf.length] = this.endGroup;
    },

    // private
    getRows : function(){
        if(!this.canGroup()){
            return Ext.grid.GroupingView.superclass.getRows.call(this);
        }
        var r = [],
            gs = this.getGroups(),