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Directory.as Go to the documentation of this file. /**************************************** ** Copyright 2005-2006 Adobe Systems Incorporated ** Distributed under the MIT License (see accompanying file LICENSE_1_0_0.txt ** or a copy at http://opensource.adobe.com/licenses.html) ** ** Directory Class ** ** This class is linked to the mcDirectory movieclip in 'directory.fla' ** It handles the parsing of the directory xml data, ** and creation of Collection objects *********************************************/ //import other classes from this namespace import amg.*; //implements ISmartLoader interface insuring that the smartLoader method is present class amg.Directory extends MovieClip{ private var mcDebugWindow:MovieClip; private var mcDirectoryTitle:MovieClip; private var mcWelcomeMessage:MovieClip; private var mcCollectionBg:MovieClip; private var mcCollectionArea:MovieClip; private var _iHiddenCollectionArea:Number; private var mcScrollBar:MovieClip; private var mcBottomBar:MovieClip; private var mcFooterText:MovieClip; private var _mcCollectionAreaMask:MovieClip; private var _iImageAreaMaskDepth:Number = 6000; private var _debugWindow:Boolean = false; private var _iDebugWindowDepth:Number = 3000; //thumbnail area private var _iCollectionAreaTopSpacer:Number = 19; private var _iCollectionClipWidth:Number = 224; private var _iCollectionClipHeight:Number = 137; private var _iCollectionClipRightMargin:Number = 10; private var _iCollectionClipTopMargin:Number = 10; private var _iControlsStartDepth = 1; private var _iTotalRows:Number; private var _iCollectionRowHeight:Number; private var _iCollectionsPerRow:Number private var _iScrollPosition:Number private var _oStageListener:Object; private var _oKeyListener:Object; private var _strCollectionSetUrl:String; private var _xmlDirectory:XML; //xml object to hold directory XML file private var _iCollectionClipsDepth = 1000; private var _aCollectionClips:Array; //array to hold ImageClip objects built from XML nodes /**************************************************** ** Directory Class Constructor *****************************************************/ public function Directory(){ //debug window var is set from component if (_debugWindow) { this.mcDebugWindow = this.attachMovie("mcDebugWindow", "debug", _iDebugWindowDepth, {_y:10}); } //since we have some stage instance mc's -we need to swap their depths so they can be 'over' dynamic clips mcDirectoryTitle.swapDepths(_iControlsStartDepth++); mcWelcomeMessage.swapDepths(_iControlsStartDepth++); mcCollectionBg.swapDepths(_iControlsStartDepth++); mcCollectionArea.swapDepths(_iControlsStartDepth++); mcScrollBar.swapDepths(_iControlsStartDepth++); mcScrollBar._visible = false; mcBottomBar.swapDepths(_iControlsStartDepth++); mcFooterText.swapDepths(_iControlsStartDepth++); //init XML obj _xmlDirectory = new XML(); _xmlDirectory.ignoreWhite = true; //set stage listener to resize the show elements when stage is resized _oStageListener = new Object(); _oStageListener._parent = this; Stage.scaleMode = "noScale"; Stage.align = "TL"; Stage.addListener(_oStageListener); _oStageListener.onResize = resizeStage; _oStageListener.onResize(); //add a keyboard listener for keyboard control of gallery _oKeyListener = new Object(); _oKeyListener._parent = this; _oKeyListener.onKeyDown = keyboardControls; Key.addListener(_oKeyListener); } public function initShow(collectionSet:String):Void{ //check flashvars for data passed from HTML file if(collectionSet == "localtest"){ writeDebug("initing localtest"); this._strCollectionSetUrl = "../data/testDirectory.xml"; } else{ writeDebug("loading collection " + collectionSet,"main"); this._strCollectionSetUrl = collectionSet; } this.loadXML(this._strCollectionSetUrl); } /************************************************************************ ** loadXML ** This function loads the XML collection description file ** The onLoad callback function allows the show to wait ** until the XML has completely loaded before stating the slideshow ** the callback does not have scope to this class however ** hence the local 'me' variable used to provide scope back to this class *************************************************************************/ private function loadXML(xmlUrl:String):Void { //set the callback for xml load event that references this class as 'me' var me:Object = this; this._xmlDirectory.onLoad = function(success:Boolean) { if (success) { me.parseDirectoryXML();; } else { //error loading XML file } }; //load the SMIL file _xmlDirectory.load(xmlUrl); } /********************************************************* ** parseCollectionXML ** function to parse the collection XML file into ** the _aImageClips array, an associative array ** of ImageClip objects and start times **********************************************************/ private function parseDirectoryXML():Void { //arrays to hold ImageClip and ThumbClip objects this._aCollectionClips = new Array(); //root node var xmlRootNode = _xmlDirectory.firstChild; //header nodes var xmlHead:XMLNode = xmlRootNode.firstChild; var xmlSiteTitle:XMLNode = xmlHead.firstChild; var xmlWelcome:XMLNode = xmlSiteTitle.nextSibling; var xmlContact:XMLNode = xmlWelcome.nextSibling; //set values based on head nodes this.mcDirectoryTitle.txtTitle.text = xmlSiteTitle.firstChild; this.mcWelcomeMessage.txtWelcome.text = xmlWelcome.firstChild; this.mcFooterText.txtContact.text = xmlContact.firstChild; //photo nodes var xmlCollections:XMLNode = xmlHead.nextSibling; if(xmlCollections.firstChild){ var xmlCollection:XMLNode = xmlCollections.firstChild; //parse out all colection nodes and create CollectionClip objects while (xmlCollection) { //create a new collection clip var oCollectionClip:MovieClip = this.mcCollectionArea.attachMovie("mcCollectionClip","collClip"+_aCollectionClips.length,_iCollectionClipsDepth+_aCollectionClips.length); oCollectionClip.initClip(xmlCollection.attributes.collectionName,xmlCollection.attributes.collectionTitle,xmlCollection.attributes.thumb,xmlCollection.attributes.description,xmlCollection.attributes.numImages); //add it to the array _aCollectionClips.push(oCollectionClip); xmlCollection = xmlCollection.nextSibling; } //calculate where collection clips should be placed on the stage this._oStageListener.onResize(); } } private function keyboardControls(){ //NOTE: this function is meant to be called from a Listener Object //--which does not have direct scope into this class' properties //the _parent prop is explicitly set in the constructor of the class //so _parent in this case refers to the class itself /* if(Key.getCode() == Key.RIGHT) _parent.vcrControls("forward"); if(Key.getCode() == Key.LEFT) _parent.vcrControls("back"); if(Key.getCode() == Key.UP) _parent.vcrControls("first"); if(Key.getCode() == Key.DOWN) _parent.vcrControls("last"); if(Key.getCode() == Key.SPACE){ if(_parent._strPlayMode == "Paused"){ _parent.mcBottomControlsCenter.mcVCRControls.mcPausePlay.gotoAndStop(1); _parent.vcrControls("play"); } else if(_parent._strPlayMode == "Playing"){ _parent.mcBottomControlsCenter.mcVCRControls.mcPausePlay.gotoAndStop(2); _parent.vcrControls("pause"); } } if(Key.getCode() == Key.CONTROL){ trace("control key"); } */ } /************************************************************** ** RESIZESTAGE ** NOTE: this function is called from a Stage Listener Object ** which does not have direct scope into this class' properties ** so, the listener's '_parent' property is explicitly set to this ** class itself when the stage listener is instantiated ****************************************************************/ private function resizeStage():Void{ var screenWidth:Number = Stage.width; var screenHeight:Number = Stage.height; if (screenWidth<400) { return; } this._parent.mcTopBar._width = screenWidth; this._parent.mcCollectionBg._width = screenWidth - 20; //if the image clip array has been created if(this._parent._aCollectionClips){ this._parent.scrollCollections(0); this._parent.mcScrollBar.reset(); var iTotalClipWidth:Number = this._parent._iCollectionClipWidth + this._parent._iCollectionClipRightMargin; this._parent._iCollectionsPerRow = Math.floor((this._parent.mcCollectionBg._width - 23) / iTotalClipWidth); this._parent._iTotalRows = Math.ceil(this._parent._aCollectionClips.length/this._parent._iCollectionsPerRow); this._parent._iCollectionRowHeight = this._parent._iCollectionClipHeight + this._parent._iCollectionClipTopMargin; var iRowsShown = Math.floor(((screenHeight*.9)-this._parent.mcCollectionBg._y)/this._parent._iCollectionRowHeight); var iMaskHeight = (iRowsShown*this._parent._iCollectionRowHeight)+this._parent._iCollectionAreaTopSpacer; if(this._parent._iTotalRows > iRowsShown){ this._parent._iHiddenCollectionArea = (this._parent._iTotalRows-iRowsShown) * this._parent._iCollectionRowHeight; this._parent.mcScrollBar._x = screenWidth - 38; this._parent.mcScrollBar.mcScrollBarMiddle._height = (iRowsShown*this._parent._iCollectionRowHeight)-(this._parent._iCollectionClipTopMargin+20); this._parent.mcScrollBar.mcScrollBarBottom._y = this._parent.mcScrollBar.mcScrollBarMiddle._y + this._parent.mcScrollBar.mcScrollBarMiddle._height; this._parent.mcScrollBar._visible = true; } else{ this._parent.mcScrollBar._visible = false; } this._parent.mcBottomBar._width = screenWidth; this._parent.mcBottomBar._y = this._parent.mcCollectionBg._y + iMaskHeight; this._parent.mcFooterText._y = this._parent.mcBottomBar._y; this._parent.createMask(this._parent.mcCollectionBg._x,this._parent.mcCollectionBg._y+2,this._parent.mcCollectionBg._width,iMaskHeight-2,this._parent.mcCollectionArea); //place thumbs and preview box on the stage based on its height/width this._parent.arrangeClips(); } } private function arrangeClips(Void):Void{ var iTotalClipWidth:Number = _iCollectionClipWidth + _iCollectionClipRightMargin; _iCollectionsPerRow = Math.floor((mcCollectionBg._width - 23) / iTotalClipWidth); var iCollectionRowWidth = (iTotalClipWidth*_iCollectionsPerRow)- (_iCollectionClipRightMargin); var iCollectionOffset = 10 + (((mcCollectionBg._width-23) - iCollectionRowWidth)/2); for(var i:Number=0;i<_aCollectionClips.length;i++){ _aCollectionClips[i]._y = mcCollectionBg._y + _iCollectionAreaTopSpacer + ((_iCollectionClipHeight+10) * (Math.ceil(((i+1)/_iCollectionsPerRow))-1)) ; _aCollectionClips[i]._x = iCollectionOffset + ((iTotalClipWidth) * ((i)%_iCollectionsPerRow)); } } public function scrollCollections(scrollAmount:Number):Void{ this.mcCollectionArea._y = _iHiddenCollectionArea * (-1*scrollAmount); this._iScrollPosition = scrollAmount * _aCollectionClips.length; } private function createMask(startX:Number,startY:Number,width:Number,height:Number,clip:MovieClip):Void{ _mcCollectionAreaMask = this.createEmptyMovieClip("mask",_iImageAreaMaskDepth); _mcCollectionAreaMask.beginFill(0x000000); _mcCollectionAreaMask.moveTo(startX,startY); _mcCollectionAreaMask.lineTo(startX + width,startY); _mcCollectionAreaMask.lineTo(startX + width,startY + height); _mcCollectionAreaMask.lineTo(startX,startY + height); _mcCollectionAreaMask.moveTo(startX,startY); _mcCollectionAreaMask.endFill(); clip.setMask(_mcCollectionAreaMask); } private function clearMask(clip:MovieClip){ clip.setMask(null); this._mcCollectionAreaMask.clear(); } private function writeDebug(debugOut:String, area:String):Void { switch (area) { case "main" : this.mcDebugWindow.main.text += debugOut+newline; break; case "status" : this.mcDebugWindow.status.text = debugOut; break; case "time" : this.mcDebugWindow.time.text = debugOut; break; } } private function openDebug() { this.mcDebugWindow = this.attachMovie("mcDebugWindow", "debug", _iDebugWindowDepth, {_y:10}); this._debugWindow = true; } }

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