<?xml version="1.0" encoding="utf-8"?>
<!--

////////////////////////////////////////////////////////////////////////////////
//
//    Copyright 2014 Ardisia Labs LLC. All Rights Reserved.
//
//    This file is licensed 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.
//
////////////////////////////////////////////////////////////////////////////////

-->
<s:Module xmlns:fx="http://ns.adobe.com/mxml/2009" 
          xmlns:s="library://ns.adobe.com/flex/spark" 
          xmlns:mx="library://ns.adobe.com/flex/mx"
          xmlns:htmlDragDrop="ardisia.components.htmlDragDrop.*"
          xmlns:containers="containers.*"
          xmlns:data="containers.data.*"
          xmlns:separators="ardisia.components.separators.*"
          xmlns:scroller="ardisia.components.scroller.*"
          frameRate="60"
          width="100%" height="100%" minWidth="900"
          removedFromStage="removedFromStageHandler(event)"
          preinitialize="application1_preinitializeHandler(event)">
    
    <!-- scripts -->
    <fx:Script>
        <![CDATA[
            import mx.events.FlexEvent;
            
            import spark.components.Image;
            
            import ardisia.components.htmlDragDrop.events.HtmlDragDropErrorEvent;
            import ardisia.components.htmlDragDrop.events.HtmlDragDropEvent;
            
            //--------------------------------------
            //  methods
            //--------------------------------------
            
            public function creationComplete():void
            {
                demoAppWrapper.topLevelCompassContainer.westResizeLocked = false;
                demoAppWrapper.topLevelCompassContainer.westCanBeMinimized = false;
                demoAppWrapper.topLevelCompassContainer.minWestWidth = 10;
            }
            
            public function animatedIn():void
            {
                htmlDragDrop.visible = true;
            }
            
            //--------------------------------------
            //  event handlers
            //--------------------------------------
            
            protected function dragLoadHandler(event:HtmlDragDropEvent):void
            {
                switch (event.type)
                {
                    
                    case HtmlDragDropEvent.DRAG_ENTER:
                        textArea.text += "DRAG ENTER";
                        if (event.types)
                        {
                            for each (var mime:String in event.types)
                            {
                                textArea.text += "\n" + mime;
                            }
                            
                        }
                        textArea.text += "\n";
                        
                        break;
                    
                    case HtmlDragDropEvent.DRAG_OVER:
                        textArea.text += "DRAG_OVER\n";
                        
                        break;
                    
                    case HtmlDragDropEvent.DRAG_LEAVE:
                        textArea.text += "DRAG_LEAVE\n";
                        
                        break;
                    
                    case HtmlDragDropEvent.DRAG_DROP_STARTING:
                        textArea.text += "DRAG_DROP_STARTING";
                        if (event.file)
                            textArea.text += " File Name: " + event.file.name + " size: " + event.file.size;
                        textArea.text += "\n";
                        
                        break;
                    
                    case HtmlDragDropEvent.DRAG_LOAD_START:
                        htmlDragDrop.setStyleProperty('backgroundColor', '#A1E5FC');
                        textArea.text += "DRAG_LOAD_START";
                        if (event.file)
                            textArea.text += " File Name: " + event.file.name + " size: " + event.file.size;
                        textArea.text += "\n";
                        
                        
                        break;
                    
                    case HtmlDragDropEvent.DRAG_PROGRESS:
                        textArea.text += "DRAG_PROGRESS";
                        if (event.file)
                            textArea.text += " Progress: " + event.percentLoaded + "%";
                        textArea.text += "\n";
                        
                        break;
                    
                    case HtmlDragDropEvent.DRAG_LOAD:
                        mime = event.file.type.toLowerCase();
                        var group:VGroup = new VGroup();
                        var label:Label = new Label();
                        label.setStyle("fontWeight", "bold");
                        label.text = "File Dropped:";
                        group.addElement(label);
                        
                        label = new Label();
                        label.text = "Name:" + event.file.name;
                        group.addElement(label);
                        
                        label = new Label();
                        label.text = "Size: " + event.file.size;
                        group.addElement(label);
                        
                        label = new Label();
                        label.text = "MIME:" + mime;
                        group.addElement(label);
                        
                        if (mime.indexOf("jpeg") > -1 || mime.indexOf("jpg") > -1 || mime.indexOf("png") > -1)
                        {
                            var data:ByteArray = event.file.data;
                            
                            var img:Image = new Image();
                            img.width = img.height = 200;
                            img.source = data;
                            group.addElement(img);
                        }
                        
                        droppedFilesContainer.addElement(group);
                        
                        droppedFilesContainer.validateNow();
                        
                        droppedFilesContainer.verticalScrollPosition = 500000;
                        
                        textArea.text += "DRAG_LOAD";
                        if (event.file)
                        {
                            textArea.text += " File Name: " + event.file.name + " size: " + event.file.size;
                        }
                        textArea.text += "\n";
                        
                        break;
                }
                
                eastScroller.viewport.verticalScrollPosition = 500000;
            }
            
            protected function dragErrorHandler(event:HtmlDragDropErrorEvent):void
            {
                htmlDragDrop.setFrameRawHTML("<div> </div>");
                textArea.text += "ERROR: " + event.type + "\n";;
                
                eastScroller.viewport.verticalScrollPosition = 50000;
            }
            
            protected function htmlDragDrop_creationCompleteHandler(event:FlexEvent):void
            {
                htmlDragDrop.setFrameRawHTML("<style>html,body{padding:0;margin:0;height:100%;width:100%;}body{background:#373737 url('http://ardisialabs.com/assets/images/drop-zone.png') no-repeat center center;}</style>");
            }
            
            protected function application1_preinitializeHandler(event:FlexEvent):void
            {
                Security.allowDomain('*');
            }
            
            protected function removedFromStageHandler(event:Event):void
            {
                htmlDragDrop.dispose();
            }
            
        ]]>
    </fx:Script>
    
    <!-- declarations -->
    <fx:Declarations>
        
    </fx:Declarations>
    
    <!-- states -->
    <s:states>
        <s:State name="stockholm" />
        <s:State name="london" />
        <s:State name="spark" />
    </s:states>
    
    <!-- application -->
    <containers:DemoApplicationWrapper id="demoAppWrapper" 
                                       width="100%" height="100%"
                                       westRegionTitle="HtmlDragDrop Description"
                                       eastRegionTitle="Event Log"
                                       description="Creates a drop region for files dragged from the user's desktop to the Flex application via the HTML5 drag and drop API.&#13;&#13;Currently, HTML drag and drop is supported in most modern browsers."
                                       currentState.stockholm="stockholm" currentState.london="london" currentState.spark="spark">
        
        <containers:eastContent>
            <scroller:Scroller id="eastScroller" 
                               width="100%" height="100%">
                <s:Group>
                    <s:RichText id="textArea" 
                                width="100%"
                                paddingTop="10" paddingRight="10" paddingBottom="10" paddingLeft="10"/>
                </s:Group>
            </scroller:Scroller>
        </containers:eastContent>
        
        <containers:expandingContainerContent>
            
            <!--- expanding container #1 -->
            <data:ExpandingContainerData>
                <data:label>API</data:label>
                <data:content>
                    <s:FormHeading label="ExternalInterface"/>
                    <s:FormItem label="Supported:">
                        <s:Label paddingTop="5" 
                                 text="{ExternalInterface.available}"/>
                    </s:FormItem>
                    <s:FormHeading label="HTML5 Drag/Drop API"/>
                    <s:FormItem label="Supported:">
                        <s:Label paddingTop="5" 
                                 text="{htmlDragDrop.isSupported}"/>
                    </s:FormItem>
                </data:content>
            </data:ExpandingContainerData>
            
        </containers:expandingContainerContent>
        
        <containers:centerContent>
            
            <!--- example #1 -->
            <data:PrimaryContentData>
                <data:tabLabel>Basic Example</data:tabLabel>
                <data:exampleDescription>Drag file(s) from your desktop to the drop region below.&#13;&#13;A single file can be dropped, or multiple files can be dropped. If a dropped file is an image, it will be displayed below.&#13;&#13;The event log generated by the HtmlDragDrop component is displayed in the East region.</data:exampleDescription>
                <data:primaryContent>
                    <s:HGroup top="20" right="20" bottom="20" left="20"
                              gap="20"
                              verticalAlign="justify">
                        <s:VGroup width="50%" height="100%">
                            <s:Label text="Drag file(s) from your desktop to the drop region below:" 
                                     fontWeight="bold"/>
                            <s:Label text="Can drop a single file or multiple files."/>
                            <htmlDragDrop:HtmlDragDrop id="htmlDragDrop" 
                                                       visible="false"
                                                       width="100%" height="100%" 
                                                       dragEnter="dragLoadHandler(event);"
                                                       dragOver="dragLoadHandler(event);"
                                                       dragLeave="dragLoadHandler(event);"
                                                       dragDropStarting="dragLoadHandler(event);"
                                                       dragLoadStart="dragLoadHandler(event);"
                                                       dragProgress="dragLoadHandler(event);"
                                                       dragLoad="dragLoadHandler(event);"
                                                       notFoundErr="dragErrorHandler(event);"
                                                       notReadableErr="dragErrorHandler(event);"
                                                       abortErr="dragErrorHandler(event);"
                                                       browserNoSupportErr="dragErrorHandler(event);"
                                                       unknownErr="dragErrorHandler(event);"
                                                       borderVisible="false"
                                                       creationComplete="htmlDragDrop_creationCompleteHandler(event)"/>
                        </s:VGroup>
                        <s:VGroup width="50%" height="100%"
                                  horizontalAlign="justify"
                                  gap="20">
                            <s:Label text="Dropped Files (images resized to fit):" 
                                     fontWeight="bold"/>
                            <scroller:Scroller width="100%" height="100%"
                                               focusEnabled="true" mouseEnabled="true">
                                <s:VGroup id="droppedFilesContainer"
                                          gap="20"/>
                            </scroller:Scroller>
                        </s:VGroup>
                    </s:HGroup>
                </data:primaryContent>
            </data:PrimaryContentData>
            
        </containers:centerContent>
        
    </containers:DemoApplicationWrapper>
    
</s:Module>