tvheadend/vendor/ext-3.4.1/examples/ux/DataView-more.js

/*
This file is part of Ext JS 3.4

Copyright (c) 2011-2013 Sencha Inc

Contact:  http://www.sencha.com/contact

GNU General Public License Usage
This file may be used under the terms of the GNU General Public License version 3.0 as
published by the Free Software Foundation and appearing in the file LICENSE included in the
packaging of this file.

Please review the following information to ensure the GNU General Public License version 3.0
requirements will be met: http://www.gnu.org/copyleft/gpl.html.

If you are unsure which license is appropriate for your use, please contact the sales department
at http://www.sencha.com/contact.

Build date: 2013-04-03 15:07:25
*/
/**
 * @class Ext.DataView.LabelEditor
 * @extends Ext.Editor
 * 
 */
Ext.DataView.LabelEditor = Ext.extend(Ext.Editor, {
    alignment: "tl-tl",
    hideEl : false,
    cls: "x-small-editor",
    shim: false,
    completeOnEnter: true,
    cancelOnEsc: true,
    labelSelector: 'span.x-editable',
    
    constructor: function(cfg, field){
        Ext.DataView.LabelEditor.superclass.constructor.call(this,
            field || new Ext.form.TextField({
                allowBlank: false,
                growMin:90,
                growMax:240,
                grow:true,
                selectOnFocus:true
            }), cfg
        );
    },
    
    init : function(view){
        this.view = view;
        view.on('render', this.initEditor, this);
        this.on('complete', this.onSave, this);
    },

    initEditor : function(){
        this.view.on({
            scope: this,
            containerclick: this.doBlur,
            click: this.doBlur
        });
        this.view.getEl().on('mousedown', this.onMouseDown, this, {delegate: this.labelSelector});
    },
    
    doBlur: function(){
        if(this.editing){
            this.field.blur();
        }
    },

    onMouseDown : function(e, target){
        if(!e.ctrlKey && !e.shiftKey){
            var item = this.view.findItemFromChild(target);
            e.stopEvent();
            var record = this.view.store.getAt(this.view.indexOf(item));
            this.startEdit(target, record.data[this.dataIndex]);
            this.activeRecord = record;
        }else{
            e.preventDefault();
        }
    },

    onSave : function(ed, value){
        this.activeRecord.set(this.dataIndex, value);
    }
});


Ext.DataView.DragSelector = function(cfg){
    cfg = cfg || {};
    var view, proxy, tracker;
    var rs, bodyRegion, dragRegion = new Ext.lib.Region(0,0,0,0);
    var dragSafe = cfg.dragSafe === true;

    this.init = function(dataView){
        view = dataView;
        view.on('render', onRender);
    };

    function fillRegions(){
        rs = [];
        view.all.each(function(el){
            rs[rs.length] = el.getRegion();
        });
        bodyRegion = view.el.getRegion();
    }

    function cancelClick(){
        return false;
    }

    function onBeforeStart(e){
        return !dragSafe || e.target == view.el.dom;
    }

    function onStart(e){
        view.on('containerclick', cancelClick, view, {single:true});
        if(!proxy){
            proxy = view.el.createChild({cls:'x-view-selector'});
        }else{
            if(proxy.dom.parentNode !== view.el.dom){
                view.el.dom.appendChild(proxy.dom);
            }
            proxy.setDisplayed('block');
        }
        fillRegions();
        view.clearSelections();
    }

    function onDrag(e){
        var startXY = tracker.startXY;
        var xy = tracker.getXY();

        var x = Math.min(startXY[0], xy[0]);
        var y = Math.min(startXY[1], xy[1]);
        var w = Math.abs(startXY[0] - xy[0]);
        var h = Math.abs(startXY[1] - xy[1]);

        dragRegion.left = x;
        dragRegion.top = y;
        dragRegion.right = x+w;
        dragRegion.bottom = y+h;

        dragRegion.constrainTo(bodyRegion);
        proxy.setRegion(dragRegion);

        for(var i = 0, len = rs.length; i < len; i++){
            var r = rs[i], sel = dragRegion.intersect(r);
            if(sel && !r.selected){
                r.selected = true;
                view.select(i, true);
            }else if(!sel && r.selected){
                r.selected = false;
                view.deselect(i);
            }
        }
    }

    function onEnd(e){
        if (!Ext.isIE) {
            view.un('containerclick', cancelClick, view);    
        }        
        if(proxy){
            proxy.setDisplayed(false);
        }
    }

    function onRender(view){
        tracker = new Ext.dd.DragTracker({
            onBeforeStart: onBeforeStart,
            onStart: onStart,
            onDrag: onDrag,
            onEnd: onEnd
        });
        tracker.initEl(view.el);
    }
};