| //////////////////////////////////////////////////////////////////////////////// |
| // |
| // Licensed to the Apache Software Foundation (ASF) under one or more |
| // contributor license agreements. See the NOTICE file distributed with |
| // this work for additional information regarding copyright ownership. |
| // The ASF licenses this file to You under the Apache License, Version 2.0 |
| // (the "License"); you may not use this file except in compliance with |
| // the License. You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| // |
| //////////////////////////////////////////////////////////////////////////////// |
| package org.apache.royale.html.beads |
| { |
| import org.apache.royale.core.BeadViewBase; |
| import org.apache.royale.core.IBead; |
| import org.apache.royale.core.IBeadView; |
| import org.apache.royale.core.ILayoutChild; |
| import org.apache.royale.core.IParent; |
| import org.apache.royale.core.IParentIUIBase; |
| import org.apache.royale.core.IRangeModel; |
| import org.apache.royale.core.IStrand; |
| import org.apache.royale.core.IUIBase; |
| import org.apache.royale.core.UIBase; |
| import org.apache.royale.events.Event; |
| import org.apache.royale.events.ValueChangeEvent |
| import org.apache.royale.events.IEventDispatcher; |
| import org.apache.royale.html.Label; |
| import org.apache.royale.html.Spinner; |
| import org.apache.royale.html.TextInput; |
| import org.apache.royale.html.supportClasses.Border; |
| import org.apache.royale.utils.sendStrandEvent; |
| |
| /** |
| * The NumericStepperView class creates the visual elements of the |
| * org.apache.royale.html.NumericStepper component. A NumberStepper consists of a |
| * org.apache.royale.html.TextInput component to display the value and a |
| * org.apache.royale.html.Spinner to change the value. |
| * |
| * @langversion 3.0 |
| * @playerversion Flash 10.2 |
| * @playerversion AIR 2.6 |
| * @productversion Royale 0.9 |
| */ |
| public class NumericStepperView extends BeadViewBase implements IBeadView |
| { |
| /** |
| * constructor. |
| * |
| * @langversion 3.0 |
| * @playerversion Flash 10.2 |
| * @playerversion AIR 2.6 |
| * @productversion Royale 0.9 |
| */ |
| public function NumericStepperView() |
| { |
| } |
| |
| protected var label:Label; |
| protected var input:TextInput; |
| protected var spinner:Spinner; |
| |
| /** |
| * @copy org.apache.royale.core.IBead#strand |
| * |
| * @langversion 3.0 |
| * @playerversion Flash 10.2 |
| * @playerversion AIR 2.6 |
| * @productversion Royale 0.9 |
| * @royaleignorecoercion org.apache.royale.core.UIBase |
| * @royaleignorecoercion org.apache.royale.core.IBead |
| * @royaleignorecoercion org.apache.royale.core.IParent |
| * @royaleignorecoercion org.apache.royale.events.IEventDispatcher |
| */ |
| override public function set strand(value:IStrand):void |
| { |
| super.strand = value; |
| |
| // add an input field |
| input = new TextInput(); |
| input.className = "NumericStepperInput"; |
| input.typeNames = "NumericStepperInput"; |
| (value as IParent).addElement(input); |
| COMPILE::JS |
| { |
| input.positioner.style.display = 'inline-block'; |
| input.positioner.style.width = '100px'; |
| } |
| // add a spinner |
| spinner = new Spinner(); |
| spinner.addBead( (value as UIBase).model as IBead ); |
| (value as IParent).addElement(spinner); |
| // delay this until the resize event in JS |
| COMPILE::SWF |
| { |
| spinner.height = input.height; |
| spinner.width = input.height/2; |
| } |
| COMPILE::JS |
| { |
| spinner.positioner.style.display = 'inline-block'; |
| spinner.positioner.style.position = ''; |
| } |
| |
| // listen for changes to the text input field which will reset the |
| // value. ideally, we should either set the input to accept only |
| // numeric values or, barring that, reject non-numeric entries. we |
| // cannot do that right now however. |
| input.addEventListener("change",inputChangeHandler); |
| |
| // listen for change events on the spinner so the value can be updated as |
| // as resizing the component |
| spinner.addEventListener("valueChange",spinnerValueChanged); |
| listenOnStrand("widthChanged",sizeChangeHandler); |
| listenOnStrand("heightChanged",sizeChangeHandler); |
| listenOnStrand("sizeChanged",sizeChangeHandler); |
| |
| // listen for changes to the model itself and update the UI accordingly |
| IEventDispatcher(UIBase(value).model).addEventListener("valueChange",modelChangeHandler); |
| IEventDispatcher(UIBase(value).model).addEventListener("minimumChange",modelChangeHandler); |
| IEventDispatcher(UIBase(value).model).addEventListener("maximumChange",modelChangeHandler); |
| IEventDispatcher(UIBase(value).model).addEventListener("stepSizeChange",modelChangeHandler); |
| IEventDispatcher(UIBase(value).model).addEventListener("snapIntervalChange",modelChangeHandler); |
| |
| input.text = String(spinner.value); |
| |
| COMPILE::SWF |
| { |
| var host:ILayoutChild = ILayoutChild(value); |
| |
| // Complete the setup if the height is sized to content or has been explicitly set |
| // and the width is sized to content or has been explicitly set |
| if ((host.isHeightSizedToContent() || !isNaN(host.explicitHeight)) && |
| (host.isWidthSizedToContent() || !isNaN(host.explicitWidth))) |
| sizeChangeHandler(null); |
| } |
| COMPILE::JS |
| { |
| // always run size change since there are no size change events |
| sizeChangeHandler(null); |
| } |
| |
| } |
| |
| /** |
| * @private |
| * @royaleignorecoercion org.apache.royale.core.UIBase |
| */ |
| private function sizeChangeHandler(event:Event) : void |
| { |
| // first reads |
| var widthToContent:Boolean = (event == null) && (_strand as UIBase).isWidthSizedToContent(); |
| var inputWidth:Number = input.width; |
| var inputHeight:Number = input.height; |
| var strandWidth:Number; |
| if (!widthToContent) |
| { |
| strandWidth = (_strand as UIBase).width; |
| } |
| COMPILE::JS |
| { |
| spinner.height = inputHeight; |
| spinner.width = inputHeight/2; |
| } |
| |
| input.x = 0; |
| input.y = 0; |
| if (!widthToContent) |
| input.width = strandWidth - spinner.width - 2; |
| |
| COMPILE::SWF |
| { |
| spinner.x = inputWidth; |
| spinner.y = 0; |
| } |
| } |
| |
| /** |
| * @private |
| * @royaleignorecoercion org.apache.royale.events.IEventDispatcher |
| */ |
| private function spinnerValueChanged(event:ValueChangeEvent) : void |
| { |
| input.text = "" + spinner.value; |
| |
| var newEvent:ValueChangeEvent = ValueChangeEvent.createUpdateEvent(_strand, "value", event.oldValue, event.newValue); |
| sendStrandEvent(_strand,newEvent); |
| } |
| |
| /** |
| * @private |
| */ |
| protected function inputChangeHandler(event:Event) : void |
| { |
| var newValue:Number = Number(input.text); |
| |
| if( !isNaN(newValue) ) { |
| spinner.value = newValue; |
| } |
| else { |
| input.text = String(spinner.value); |
| } |
| } |
| |
| /** |
| * @private |
| * @royaleignorecoercion org.apache.royale.core.UIBase |
| * @royaleignorecoercion org.apache.royale.core.IRangeModel |
| */ |
| private function modelChangeHandler( event:Event ) : void |
| { |
| var n:Number = IRangeModel(UIBase(_strand).model).value; |
| input.text = String(IRangeModel(UIBase(_strand).model).value); |
| } |
| |
| /** |
| * The area containing the TextInput and Spinner controls. |
| * |
| * @langversion 3.0 |
| * @playerversion Flash 10.2 |
| * @playerversion AIR 2.6 |
| * @productversion Royale 0.9 |
| * @royaleignorecoercion org.apache.royale.core.IParentIUIBase |
| */ |
| public function get contentView():IParentIUIBase |
| { |
| return _strand as IParentIUIBase; |
| } |
| |
| /** |
| * @private |
| * @royaleignorecoercion org.apache.royale.core.IUIBase |
| */ |
| public function get resizableView():IUIBase |
| { |
| return _strand as IUIBase; |
| } |
| } |
| } |