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share/examples/ux/RowEditor.js  view on Meta::CPAN

        Ext.ux.grid.RowEditor.superclass.initComponent.call(this);
        this.addEvents(
            /**
             * @event beforeedit
             * Fired before the row editor is activated.
             * If the listener returns <tt>false</tt> the editor will not be activated.
             * @param {Ext.ux.grid.RowEditor} roweditor This object
             * @param {Number} rowIndex The rowIndex of the row just edited
             */
            'beforeedit',
            /**
             * @event canceledit
             * Fired when the editor is cancelled.
             * @param {Ext.ux.grid.RowEditor} roweditor This object
             * @param {Boolean} forced True if the cancel button is pressed, false is the editor was invalid.
             */
            'canceledit',
            /**
             * @event validateedit
             * Fired after a row is edited and passes validation.
             * If the listener returns <tt>false</tt> changes to the record will not be set.
             * @param {Ext.ux.grid.RowEditor} roweditor This object
             * @param {Object} changes Object with changes made to the record.
             * @param {Ext.data.Record} r The Record that was edited.
             * @param {Number} rowIndex The rowIndex of the row just edited
             */
            'validateedit',
            /**
             * @event afteredit
             * Fired after a row is edited and passes validation.  This event is fired
             * after the store's update event is fired with this edit.
             * @param {Ext.ux.grid.RowEditor} roweditor This object
             * @param {Object} changes Object with changes made to the record.
             * @param {Ext.data.Record} r The Record that was edited.
             * @param {Number} rowIndex The rowIndex of the row just edited
             */
            'afteredit'
        );
    },

    init: function(grid){
        this.grid = grid;
        this.ownerCt = grid;
        if(this.clicksToEdit === 2){
            grid.on('rowdblclick', this.onRowDblClick, this);
        }else{
            grid.on('rowclick', this.onRowClick, this);
            if(Ext.isIE){
                grid.on('rowdblclick', this.onRowDblClick, this);
            }
        }

        // stopEditing without saving when a record is removed from Store.
        grid.getStore().on('remove', function() {
            this.stopEditing(false);
        },this);

        grid.on({
            scope: this,
            keydown: this.onGridKey,
            columnresize: this.verifyLayout,
            columnmove: this.refreshFields,
            reconfigure: this.refreshFields,
            beforedestroy : this.beforedestroy,
            destroy : this.destroy,
            bodyscroll: {
                buffer: 250,
                fn: this.positionButtons
            }
        });
        grid.getColumnModel().on('hiddenchange', this.verifyLayout, this, {delay:1});
        grid.getView().on('refresh', this.stopEditing.createDelegate(this, []));
    },

    beforedestroy: function() {
        this.stopMonitoring();
        this.grid.getStore().un('remove', this.onStoreRemove, this);
        this.stopEditing(false);
        Ext.destroy(this.btns, this.tooltip);
    },

    refreshFields: function(){
        this.initFields();
        this.verifyLayout();
    },

    isDirty: function(){
        var dirty;
        this.items.each(function(f){
            if(String(this.values[f.id]) !== String(f.getValue())){
                dirty = true;
                return false;
            }
        }, this);
        return dirty;
    },

    startEditing: function(rowIndex, doFocus){
        if(this.editing && this.isDirty()){
            this.showTooltip(this.commitChangesText);
            return;
        }
        if(Ext.isObject(rowIndex)){
            rowIndex = this.grid.getStore().indexOf(rowIndex);
        }
        if(this.fireEvent('beforeedit', this, rowIndex) !== false){
            this.editing = true;
            var g = this.grid, view = g.getView(),
                row = view.getRow(rowIndex),
                record = g.store.getAt(rowIndex);

            this.record = record;
            this.rowIndex = rowIndex;
            this.values = {};
            if(!this.rendered){
                this.render(view.getEditorParent());
            }
            var w = Ext.fly(row).getWidth();
            this.setSize(w);
            if(!this.initialized){
                this.initFields();
            }
            var cm = g.getColumnModel(), fields = this.items.items, f, val;
            for(var i = 0, len = cm.getColumnCount(); i < len; i++){
                val = this.preEditValue(record, cm.getDataIndex(i));
                f = fields[i];
                f.setValue(val);
                this.values[f.id] = Ext.isEmpty(val) ? '' : val;
            }
            this.verifyLayout(true);
            if(!this.isVisible()){
                this.setPagePosition(Ext.fly(row).getXY());
            } else{
                this.el.setXY(Ext.fly(row).getXY(), {duration:0.15});
            }
            if(!this.isVisible()){
                this.show().doLayout();
            }
            if(doFocus !== false){
                this.doFocus.defer(this.focusDelay, this);
            }
        }
    },

    stopEditing : function(saveChanges){
        this.editing = false;
        if(!this.isVisible()){
            return;
        }
        if(saveChanges === false || !this.isValid()){
            this.hide();
            this.fireEvent('canceledit', this, saveChanges === false);
            return;
        }
        var changes = {},
            r = this.record,
            hasChange = false,
            cm = this.grid.colModel,
            fields = this.items.items;
        for(var i = 0, len = cm.getColumnCount(); i < len; i++){
            if(!cm.isHidden(i)){
                var dindex = cm.getDataIndex(i);
                if(!Ext.isEmpty(dindex)){
                    var oldValue = r.data[dindex],
                        value = this.postEditValue(fields[i].getValue(), oldValue, r, dindex);
                    if(String(oldValue) !== String(value)){
                        changes[dindex] = value;
                        hasChange = true;
                    }
                }
            }
        }
        if(hasChange && this.fireEvent('validateedit', this, changes, r, this.rowIndex) !== false){
            r.beginEdit();
            Ext.iterate(changes, function(name, value){
                r.set(name, value);
            });
            r.endEdit();
            this.fireEvent('afteredit', this, changes, r, this.rowIndex);
        } else {
            this.fireEvent('canceledit', this, false);
        }
        this.hide();
    },

    verifyLayout: function(force){
        if(this.el && (this.isVisible() || force === true)){
            var row = this.grid.getView().getRow(this.rowIndex);
            this.setSize(Ext.fly(row).getWidth(), Ext.isIE ? Ext.fly(row).getHeight() + 9 : undefined);
            var cm = this.grid.colModel, fields = this.items.items;
            for(var i = 0, len = cm.getColumnCount(); i < len; i++){
                if(!cm.isHidden(i)){
                    var adjust = 0;
                    if(i === (len - 1)){
                        adjust += 3; // outer padding
                    } else{
                        adjust += 1;
                    }
                    fields[i].show();
                    fields[i].setWidth(cm.getColumnWidth(i) - adjust);
                } else{
                    fields[i].hide();
                }
            }
            this.doLayout();
            this.positionButtons();
        }
    },

    slideHide : function(){
        this.hide();
    },

    initFields: function(){
        var cm = this.grid.getColumnModel(), pm = Ext.layout.ContainerLayout.prototype.parseMargins;
        this.removeAll(false);
        for(var i = 0, len = cm.getColumnCount(); i < len; i++){
            var c = cm.getColumnAt(i),
                ed = c.getEditor();
            if(!ed){
                ed = c.displayEditor || new Ext.form.DisplayField();
            }
            if(i == 0){
                ed.margins = pm('0 1 2 1');
            } else if(i == len - 1){
                ed.margins = pm('0 0 2 1');
            } else{
                if (Ext.isIE) {
                    ed.margins = pm('0 0 2 0');
                }
                else {
                    ed.margins = pm('0 1 2 0');
                }
            }
            ed.setWidth(cm.getColumnWidth(i));
            ed.column = c;
            if(ed.ownerCt !== this){
                ed.on('focus', this.ensureVisible, this);
                ed.on('specialkey', this.onKey, this);
            }
            this.insert(i, ed);
        }
        this.initialized = true;
    },

    onKey: function(f, e){