/*
This file is part of Ext JS 4.2

Copyright (c) 2011-2013 Sencha Inc

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

Commercial Usage
Licensees holding valid commercial licenses may use this file in accordance with the Commercial
Software License Agreement provided with the Software or, alternatively, in accordance with the
terms contained in a written agreement between you and Sencha.

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

Build date: 2013-09-18 17:18:59 (940c324ac822b840618a3a8b2b4b873f83a1a9b1)
*/
/**
 * @private
 * Private Container class used by the {@link Ext.grid.RowEditor} to hold its buttons.
 */
Ext.define('Ext.grid.RowEditorButtons', {
    extend: 'Ext.container.Container',
    alias: 'widget.roweditorbuttons',

    frame: true,
    shrinkWrap: true,
    position: 'bottom',

    constructor: function(config) {
        var me = this,
            rowEditor = config.rowEditor,
            cssPrefix = Ext.baseCSSPrefix,
            plugin = rowEditor.editingPlugin;

        config = Ext.apply({
            baseCls: cssPrefix + 'grid-row-editor-buttons',
            defaults: {
                xtype: 'button',
                ui: rowEditor.buttonUI,
                scope: plugin,
                flex: 1,
                minWidth: Ext.panel.Panel.prototype.minButtonWidth
            },
            items: [{
                cls: cssPrefix + 'row-editor-update-button',
                itemId: 'update',
                handler: plugin.completeEdit,
                text: rowEditor.saveBtnText,
                disabled: rowEditor.updateButtonDisabled
            }, {
                cls: cssPrefix + 'row-editor-cancel-button',
                handler: plugin.cancelEdit,
                text: rowEditor.cancelBtnText
            }]
        }, config);

        me.callParent([config]);

        me.addClsWithUI(me.position);
    },

    setButtonPosition: function(position) {
        var me = this,
            rowEditor = this.rowEditor,
            rowEditorHeight = rowEditor.getHeight(),
            rowEditorBody = rowEditor.body,
            bottom = '',
            top = '';

        me.removeClsWithUI(me.position);
        me.position = position;
        me.addClsWithUI(position);
        // we tried setting the top/bottom value in the stylesheet based on form field
        // height + row editor padding, but that approach does not work when there are
        // larger things inside the editor, e.g. textarea, so we have to measure
        // the row editor height and position the buttons accordingly (see EXTJSIV-9914).
        if (position === 'top') {
            bottom = (rowEditorHeight - rowEditorBody.getBorderWidth('t')) + 'px';
        } else {
            top = (rowEditorHeight - rowEditorBody.getBorderWidth('b')) + 'px';
        }

        me.el.setStyle({
            top: top,
            bottom: bottom
        });
    },

    getFramingInfoCls: function(){
        return this.baseCls + '-' + this.ui + '-' + this.position;
    },

    getFrameInfo: function() {
        var frameInfo = this.callParent();

        // Trick Renderable into rendering the top framing elements, even though they
        // are not needed in the default "bottom" position.  This allows us to flip the
        // buttons into "top" position without re-rendering.
        frameInfo.top = true;

        return frameInfo;
    }
});
