From e44a7e37b6c7b5961adaffc62b9042b8d442938e Mon Sep 17 00:00:00 2001 From: mensonge Date: Thu, 13 Nov 2008 09:49:11 +0000 Subject: New feature: basic Ajax suggestion for tags and implementation of Dojo toolkit git-svn-id: https://semanticscuttle.svn.sourceforge.net/svnroot/semanticscuttle/trunk@151 b3834d28-1941-0410-a4f8-b48e95affb8f --- includes/js/dojox/image/Gallery.js | 182 +++++++++++++++++++++++++++++++++++++ 1 file changed, 182 insertions(+) create mode 100644 includes/js/dojox/image/Gallery.js (limited to 'includes/js/dojox/image/Gallery.js') diff --git a/includes/js/dojox/image/Gallery.js b/includes/js/dojox/image/Gallery.js new file mode 100644 index 0000000..d29ae22 --- /dev/null +++ b/includes/js/dojox/image/Gallery.js @@ -0,0 +1,182 @@ +if(!dojo._hasResource["dojox.image.Gallery"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code. +dojo._hasResource["dojox.image.Gallery"] = true; +dojo.provide("dojox.image.Gallery"); +dojo.experimental("dojox.image.Gallery"); +// +// dojox.image.Gallery courtesy Shane O Sullivan, licensed under a Dojo CLA +// @author Copyright 2007 Shane O Sullivan (shaneosullivan1@gmail.com) +// +// For a sample usage, see http://www.skynet.ie/~sos/photos.php +// +// TODO: Make public, document params and privitize non-API conformant methods. +// document topics. + +dojo.require("dojo.fx"); +dojo.require("dijit._Widget"); +dojo.require("dijit._Templated"); +dojo.require("dojox.image.ThumbnailPicker"); +dojo.require("dojox.image.SlideShow"); + +dojo.declare("dojox.image.Gallery", + [dijit._Widget, dijit._Templated], + { + // summary: + // Gallery widget that wraps a dojox.image.ThumbnailPicker and dojox.image.SlideShow widget + // + // imageHeight: Number + // Maximum height of an image in the SlideShow widget + imageHeight: 375, + + // imageWidth: Number + // Maximum width of an image in the SlideShow widget + imageWidth: 500, + + // pageSize: Number + // The number of records to retrieve from the data store per request. + pageSize: dojox.image.SlideShow.prototype.pageSize, + + // autoLoad: Boolean + // If true, images are loaded before the user views them. If false, an + // image is loaded when the user displays it. + autoLoad: true, + + // linkAttr: String + // Defines the name of the attribute to request from the store to retrieve the + // URL to link to from an image, if any. + linkAttr: "link", + + // imageThumbAttr: String + // Defines the name of the attribute to request from the store to retrieve the + // URL to the thumbnail image. + imageThumbAttr: "imageUrlThumb", + + // imageLargeAttr: String + // Defines the name of the attribute to request from the store to retrieve the + // URL to the image. + imageLargeAttr: "imageUrl", + + // titleAttr: String + // Defines the name of the attribute to request from the store to retrieve the + // title of the picture, if any. + titleAttr: "title", + + // slideshowInterval: Integer + // time in seconds, between image changes in the slide show. + slideshowInterval: 3, + + templateString:"
\n\t
\n\t
\n
\n", + + postCreate: function(){ + // summary: Initializes the widget, creates the ThumbnailPicker and SlideShow widgets + this.widgetid = this.id; + this.inherited(arguments) + + this.thumbPicker = new dojox.image.ThumbnailPicker({ + linkAttr: this.linkAttr, + imageLargeAttr: this.imageLargeAttr, + titleAttr: this.titleAttr, + useLoadNotifier: true, + size: this.imageWidth + }, this.thumbPickerNode); + + + this.slideShow = new dojox.image.SlideShow({ + imageHeight: this.imageHeight, + imageWidth: this.imageWidth, + autoLoad: this.autoLoad, + linkAttr: this.linkAttr, + imageLargeAttr: this.imageLargeAttr, + titleAttr: this.titleAttr, + slideshowInterval: this.slideshowInterval, + pageSize: this.pageSize + }, this.slideShowNode); + + var _this = this; + //When an image is shown in the Slideshow, make sure it is visible + //in the ThumbnailPicker + dojo.subscribe(this.slideShow.getShowTopicName(), function(packet){ + //if(packet.index < _this.thumbPicker._thumbIndex + // || packet.index > _this.thumbPicker._thumbIndex + _this.thumbPicker.numberThumbs -1){ + //if(!_this.thumbPicker.isVisible(packet.index)){ + //var index = packet.index - (packet.index % _this.thumbPicker.numberThumbs); + _this.thumbPicker._showThumbs(packet.index); + //} + }); + //When the user clicks a thumbnail, show that image + dojo.subscribe(this.thumbPicker.getClickTopicName(), function(evt){ + _this.slideShow.showImage(evt.index); + }); + //When the ThumbnailPicker moves to show a new set of pictures, + //make the Slideshow start loading those pictures first. + dojo.subscribe(this.thumbPicker.getShowTopicName(), function(evt){ + _this.slideShow.moveImageLoadingPointer(evt.index); + }); + //When an image finished loading in the slideshow, update the loading + //notification in the ThumbnailPicker + dojo.subscribe(this.slideShow.getLoadTopicName(), function(index){ + _this.thumbPicker.markImageLoaded(index); + }); + this._centerChildren(); + }, + + setDataStore: function(dataStore, request, /*optional*/paramNames){ + // summary: Sets the data store and request objects to read data from. + // dataStore: + // An implementation of the dojo.data.api.Read API. This accesses the image + // data. + // request: + // An implementation of the dojo.data.api.Request API. This specifies the + // query and paging information to be used by the data store + // paramNames: + // An object defining the names of the item attributes to fetch from the + // data store. The four attributes allowed are 'linkAttr', 'imageLargeAttr', + // 'imageThumbAttr' and 'titleAttr' + this.thumbPicker.setDataStore(dataStore, request, paramNames); + this.slideShow.setDataStore(dataStore, request, paramNames); + }, + + reset: function(){ + // summary: Resets the widget to its initial state + this.slideShow.reset(); + this.thumbPicker.reset(); + }, + + showNextImage: function(inTimer){ + // summary: Changes the image being displayed in the SlideShow to the next + // image in the data store + // inTimer: Boolean + // If true, a slideshow is active, otherwise the slideshow is inactive. + this.slideShow.showNextImage(); + }, + + toggleSlideshow: function(){ + // summary: Switches the slideshow mode on and off. + this.slideShow.toggleSlideshow(); + }, + + showImage: function(index, /*optional*/callback){ + // summary: Shows the image at index 'idx'. + // idx: Number + // The position of the image in the data store to display + // callback: Function + // Optional callback function to call when the image has finished displaying. + this.slideShow.showImage(index, callback); + }, + + _centerChildren: function() { + // summary: Ensures that the ThumbnailPicker and the SlideShow widgets + // are centered. + var thumbSize = dojo.marginBox(this.thumbPicker.outerNode); + var slideSize = dojo.marginBox(this.slideShow.outerNode); + + var diff = (thumbSize.w - slideSize.w) / 2; + + if(diff > 0) { + dojo.style(this.slideShow.outerNode, "marginLeft", diff + "px"); + } else if(diff < 0) { + dojo.style(this.thumbPicker.outerNode, "marginLeft", (diff * -1) + "px"); + } + } +}); + +} -- cgit v1.2.3-54-g00ecf