first commit
This commit is contained in:
455
com/yahoo/astra/fl/controls/treeClasses/TreeCellRenderer.as
Executable file
455
com/yahoo/astra/fl/controls/treeClasses/TreeCellRenderer.as
Executable file
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/*
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Copyright (c) 2009 Yahoo! Inc. All rights reserved.
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The copyrights embodied in the content of this file are licensed under the BSD (revised) open source license
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*/
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package com.yahoo.astra.fl.controls.treeClasses {
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import com.yahoo.astra.fl.controls.Tree;
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import fl.controls.ButtonLabelPlacement;
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import fl.controls.listClasses.ListData;
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import fl.controls.listClasses.ICellRenderer;
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import fl.controls.LabelButton;
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import fl.core.UIComponent;
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import flash.events.Event;
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import flash.events.MouseEvent;
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import flash.text.TextFormat;
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import fl.core.InvalidationType;
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import flash.display.Sprite;
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//--------------------------------------
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// Styles
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//--------------------------------------
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/**
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* Name of the class to use as the skin for the icon associated
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* with a closed branch of the tree.
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*
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* @default TreeCellRenderer_closedBranchIcon
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*
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* @langversion 3.0
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* @playerversion Flash 9.0.28.0
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*/
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[Style(name="closedBranchIcon", type="Class")]
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/**
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* Name of the class to use as the skin for the icon associated
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* with an open branch of the tree.
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*
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* @default TreeCellRenderer_openBranchIcon
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*
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* @langversion 3.0
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* @playerversion Flash 9.0.28.0
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*/
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[Style(name="openBranchIcon", type="Class")]
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/**
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* Name of the class to use as the skin for the icon associated
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* with a leaf node of the tree.
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*
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* @default TreeCellRenderer_leafIcon
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*
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* @langversion 3.0
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* @playerversion Flash 9.0.28.0
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*/
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[Style(name="leafIcon", type="Class")]
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/**
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* @copy fl.controls.LabelButton#style:upSkin
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*
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* @default CellRenderer_upSkin
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*
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* @langversion 3.0
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* @playerversion Flash 9.0.28.0
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*/
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[Style(name="upSkin", type="Class")]
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/**
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* @copy fl.controls.LabelButton#style:downSkin
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*
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* @default CellRenderer_downSkin
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*
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* @langversion 3.0
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* @playerversion Flash 9.0.28.0
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*/
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[Style(name="downSkin", type="Class")]
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/**
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* @copy fl.controls.LabelButton#style:overSkin
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*
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* @default CellRenderer_overSkin
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*
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* @langversion 3.0
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* @playerversion Flash 9.0.28.0
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*/
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[Style(name="overSkin", type="Class")]
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/**
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* @copy fl.controls.LabelButton#style:disabledSkin
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*
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* @default CellRenderer_disabledSkin
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*
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* @langversion 3.0
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* @playerversion Flash 9.0.28.0
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*/
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[Style(name="disabledSkin", type="Class")]
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/**
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* @copy fl.controls.LabelButton#style:selectedDisabledSkin
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*
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* @default CellRenderer_selectedDisabledSkin
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*
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* @langversion 3.0
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* @playerversion Flash 9.0.28.0
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*/
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[Style(name="selectedDisabledSkin", type="Class")]
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/**
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* @copy fl.controls.LabelButton#style:selectedUpSkin
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*
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* @default CellRenderer_selectedUpSkin
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*
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* @langversion 3.0
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* @playerversion Flash 9.0.28.0
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*/
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[Style(name="selectedUpSkin", type="Class")]
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/**
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* @copy fl.controls.LabelButton#style:selectedDownSkin
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*
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* @default CellRenderer_selectedDownSkin
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*
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* @langversion 3.0
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* @playerversion Flash 9.0.28.0
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*/
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[Style(name="selectedDownSkin", type="Class")]
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/**
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* @copy fl.controls.LabelButton#style:selectedOverSkin
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*
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* @default CellRenderer_selectedOverSkin
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*
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* @langversion 3.0
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* @playerversion Flash 9.0.28.0
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*/
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[Style(name="selectedOverSkin", type="Class")]
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/**
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* @copy fl.core.UIComponent#style:textFormat
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*
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* @default null
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*
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* @langversion 3.0
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* @playerversion Flash 9.0.28.0
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*/
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[Style(name="textFormat", type="flash.text.TextFormat")]
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/**
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* @copy fl.core.UIComponent#style:disabledTextFormat
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*
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* @default null
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*
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* @langversion 3.0
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* @playerversion Flash 9.0.28.0
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*/
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[Style(name="disabledTextFormat", type="flash.text.TextFormat")]
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/**
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* @copy fl.controls.LabelButton#style:textPadding
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*
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* @default 5
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*
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* @langversion 3.0
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* @playerversion Flash 9.0.28.0
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*/
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[Style(name="textPadding", type="Number", format="Length")]
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/**
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* Number of pixels to use as offset when rendering nested tree nodes.
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*
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* @default 5
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*
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* @langversion 3.0
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* @playerversion Flash 9.0.28.0
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*/
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[Style(name="nodeIndent", type="Number", format="Length")]
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/**
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* Left margin width in pixels
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*
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* @default 5
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*
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* @langversion 3.0
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* @playerversion Flash 9.0.28.0
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*/
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[Style(name="leftMargin", type="Number", format="Length")]
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//--------------------------------------
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// Class description
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//--------------------------------------
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/**
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* The TreeCellRenderer class defines methods and properties for
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* Tree component to manipulate and display custom
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* cell content in each of its rows. TreeCellRenderer relies on
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* properties contained in the TreeDataProvider objects to set
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* appropriate icons and offsets for individual cells.
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* The TreeCellRenderer implements ICellRenderer and extends
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* the LabelButton.
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*
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* @see com.yahoo.astra.fl.controls.treeClasses.TreeDataProvider
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* @see ICellRenderer
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* @see fl.controls.LabelButton
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*
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*
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* @langversion 3.0
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* @playerversion Flash 9.0.28.0
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*/
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public class TreeCellRenderer extends LabelButton implements ICellRenderer {
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/**
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* @private (protected)
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*
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* @langversion 3.0
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* @playerversion Flash 9.0.28.0
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*/
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protected var _listData:ListData;
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/**
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* @private (protected)
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*
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* @langversion 3.0
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* @playerversion Flash 9.0.28.0
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*/
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protected var _data:Object;
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/**
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* Creates a new TreeCellRenderer instance.
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*
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* @langversion 3.0
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* @playerversion Flash 9.0.28.0
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*/
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public function TreeCellRenderer():void {
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super();
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toggle = true;
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focusEnabled = false;
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this.addEventListener(MouseEvent.CLICK, handleClickEvent, false, 0, true);
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}
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private function handleClickEvent(evt:MouseEvent) : void {
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var currentNode:TNode = data as TNode;
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if (this.icon != null && currentNode is BranchNode &&
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this.icon.x <= this.mouseX &&
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this.mouseX <= (this.icon.x + this.icon.width) &&
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this.icon.y <= this.mouseY &&
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this.mouseY <= (this.icon.y + this.icon.height)) {
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evt.stopImmediatePropagation();
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if (currentNode.isOpen()) {
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currentNode.closeNode();
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}
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else {
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currentNode.openNode();
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}
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}
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}
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/**
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* @private
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*
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* @langversion 3.0
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* @playerversion Flash 9.0.28.0
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*/
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private static var defaultStyles:Object = {upSkin:"TreeCellRenderer_upSkin",downSkin:"TreeCellRenderer_downSkin",overSkin:"TreeCellRenderer_overSkin",
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disabledSkin:"TreeCellRenderer_disabledSkin",
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selectedDisabledSkin:"TreeCellRenderer_selectedDisabledSkin",
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selectedUpSkin:"TreeCellRenderer_selectedUpSkin",selectedDownSkin:"TreeCellRenderer_selectedDownSkin",selectedOverSkin:"TreeCellRenderer_selectedOverSkin",
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closedBranchIcon:"TreeCellRenderer_closedBranchIcon",
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openBranchIcon:"TreeCellRenderer_openBranchIcon",
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leafIcon:"TreeCellRenderer_leafIcon",
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textFormat:null,
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disabledTextFormat:null,
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embedFonts:null,
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textPadding:5,
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nodeIndent:5,
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leftMargin:5};
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/**
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* @copy fl.core.UIComponent#getStyleDefinition()
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*
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* @includeExample ../../core/examples/UIComponent.getStyleDefinition.1.as -noswf
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*
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* @see fl.core.UIComponent#getStyle()
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* @see fl.core.UIComponent#setStyle()
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* @see fl.managers.StyleManager
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*
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* @langversion 3.0
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* @playerversion Flash 9.0.28.0
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*/
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public static function getStyleDefinition():Object {
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return mergeStyles(defaultStyles, LabelButton.getStyleDefinition());
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}
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/**
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* Specifies the dimensions at which the data should be rendered.
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* These dimensions affect both the data and the cell that contains it;
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* the cell renderer uses them to ensure that the data fits the cell and
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* does not bleed into adjacent cells.
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*
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* @param width The width of the object, in pixels.
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*
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* @param height The height of the object, in pixels.
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*
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* @langversion 3.0
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* @playerversion Flash 9.0.28.0
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*/
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override public function setSize(width:Number,height:Number):void {
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super.setSize(width, height);
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}
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/**
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* @copy fl.controls.listClasses.ICellRenderer#listData
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*
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* @langversion 3.0
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* @playerversion Flash 9.0.28.0
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*/
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public function get listData():ListData {
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return _listData;
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}
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/**
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* @private (setter)
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* When listData is set, we determine the appropriate icon to use
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* with the particular type of Tree node (open branch, closed branch,
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* or leaf).
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* @langversion 3.0
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* @playerversion Flash 9.0.28.0
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*/
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public function set listData(value:ListData):void {
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_listData = value;
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label = _listData.label;
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var parentTree:Tree = _listData.owner as Tree;
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if (data.nodeType == TreeDataProvider.BRANCH_NODE) {
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if (data.nodeState == TreeDataProvider.OPEN_NODE) {
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if (parentTree.iconFunction != null) {
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setStyle("icon", parentTree.iconFunction(data));
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} else if (parentTree.openBranchIconField != null && data[parentTree.openBranchIconField] != null) {
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setStyle("icon", data[parentTree.openBranchIconField]);
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} else {
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setStyle("icon", getStyleValue("openBranchIcon"));
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}
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} else {
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if (parentTree.iconFunction != null) {
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setStyle("icon", parentTree.iconFunction(data));
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} else if (parentTree.closedBranchIconField != null && data[parentTree.closedBranchIconField] != null) {
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setStyle("icon", data[parentTree.closedBranchIconField]);
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} else {
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setStyle("icon", getStyleValue("closedBranchIcon"));
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}
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}
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}
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else {
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if (parentTree.iconFunction != null) {
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setStyle("icon", parentTree.iconFunction(data));
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} else if (parentTree.openBranchIconField != null && data[parentTree.leafIconField] != null) {
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setStyle("icon", data[parentTree.leafIconField]);
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} else {
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setStyle("icon", getStyleValue("leafIcon"));
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}
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}
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}
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/**
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* @copy fl.controls.listClasses.ICellRenderer#data
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*
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* @langversion 3.0
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* @playerversion Flash 9.0.28.0
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*/
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public function get data():Object {
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return _data;
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}
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/**
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* @private (setter)
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*
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* @langversion 3.0
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* @playerversion Flash 9.0.28.0
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*/
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public function set data(value:Object):void {
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_data = value;
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}
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/**
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* @copy fl.controls.listClasses.ICellRenderer#selected
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*
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* @default false
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*
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* @langversion 3.0
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* @playerversion Flash 9.0.28.0
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*/
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override public function get selected():Boolean {
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return super.selected;
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}
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/**
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* @private (setter)
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*
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* @langversion 3.0
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* @playerversion Flash 9.0.28.0
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*/
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override public function set selected(value:Boolean):void {
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super.selected = value;
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}
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/**
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* @private (protected)
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*
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* @langversion 3.0
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* @playerversion Flash 9.0.28.0
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*/
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override protected function toggleSelected(event:MouseEvent):void {
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// don't set selected or dispatch change event.
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}
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/**
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* @private (protected)
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*
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* @langversion 3.0
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* @playerversion Flash 9.0.28.0
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*/
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override protected function drawLayout():void {
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var textPadding:Number = Number(getStyleValue("textPadding"));
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var nodeIndent:Number = Number(getStyleValue("nodeIndent"));
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var leftMargin:Number = Number(getStyleValue("leftMargin"));
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var textFieldX:Number = 0;
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// Align icon and add the indent derived from node's level
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if (icon != null) {
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icon.x = leftMargin + data.nodeLevel * nodeIndent;
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icon.y = Math.round((height-icon.height)>>1);
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textFieldX = icon.x + icon.width + textPadding;
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}
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// Align text and add the indent derived from node's level
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if (label.length > 0) {
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textField.visible = true;
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var textWidth:Number = Math.max(0, width - textFieldX - textPadding*2);
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textField.width = textWidth;
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textField.height = textField.textHeight + 4;
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textField.x = textFieldX;
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textField.y = Math.round((height-textField.height)>>1);
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} else {
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textField.visible = false;
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}
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// Size background
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background.width = width;
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background.height = height;
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}
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}
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}
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Reference in New Issue
Block a user