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Éric Lemoine
227
master/examples/demo_FlickrStoreWire.html
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227
master/examples/demo_FlickrStoreWire.html
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<!--
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This file is a demo of the FlickrStore, a simple wrapper to the public feed service
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of Flickr. This just does very basic queries against Flickr and loads the results
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into a list viewing widget.
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-->
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<html>
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<head>
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<title>Demo of FlickrStore</title>
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<style type="text/css">
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@import "../../../../dijit/themes/tundra/tundra.css";
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@import "../../../../dojo/resources/dojo.css";
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@import "../../../../dijit/tests/css/dijitTests.css";
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@import "./flickrDemo.css";
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</style>
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<script type="text/javascript" src="../../../../dojo/dojo.js" djConfig="isDebug: true, parseOnLoad: true"></script>
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<script type="text/javascript">
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dojo.require("dojo.parser");
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dojo.require("dijit.form.TextBox");
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dojo.require("dijit.form.Button");
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dojo.require("dijit.form.ComboBox");
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dojo.require("dijit.form.NumberSpinner");
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dojo.require("dojox.data.FlickrStore");
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dojo.require("dojox.wire.ml.Invocation");
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dojo.require("dojox.wire.ml.Transfer");
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dojo.require("dojox.wire.ml.Data");
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dojo.require("dojox.wire");
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dojo.require("dojox.data.demos.widgets.FlickrViewList");
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//Toplevel JS Object to contain a few basics for us, such as the request to pass to the store and a stub onItem and onComplete function
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// to trap on for triggering other events.
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var dataHolder = {
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//Simple stub datastore request
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request: {query: {}}
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};
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//Function to convert the input from a widget into a comma separated list.
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//that is the format of the store parameter.
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var tagsInputConverter = function(tags){
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if(tags && tags !== ""){
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var tagsArray = tags.split(" ");
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tags = "";
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for(var i = 0; i < tagsArray.length; i++){
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tags = tags + tagsArray[i];
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if(i < (tagsArray.length - 1)){
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tags += ","
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}
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}
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}
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return tags
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}
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</script>
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</head>
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<body class="tundra">
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<h1>
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DEMO: FlickrStore Search
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</h1>
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<hr>
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<h3>
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Description:
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</h3>
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<p>
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This simple demo shows how services, such as Flickr, can be wrapped by the datastore API. In this demo, you can search public
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Flickr images through a simple FlickrStore by specifying a series of tags (separated by spaces) to search on. The results
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will be displayed below the search box. This demo is the same as the example demo provided in dojox/data/demos/demo_FlickrStore.html,
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except that all the interactions are implemented via Wire instead of a script that runs at dojo.addOnLoad().
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</p>
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<p>
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For fun, search on the 3dny tag!
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</p>
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<blockquote>
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<!--
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Layout.
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-->
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<table>
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<tbody>
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<tr>
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<td>
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<b>Status:</b>
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</td>
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<td>
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<div dojoType="dijit.form.TextBox" size="50" id="status" jsId="statusWidget" disabled="true"></div>
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</td>
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</tr>
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<tr>
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<td>
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<b>ID:</b>
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</td>
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<td>
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<div dojoType="dijit.form.TextBox" size="50" id="userid" jsId="idWidget"></div>
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</td>
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</tr>
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<tr>
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<td>
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<b>Tags:</b>
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</td>
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<td>
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<div dojoType="dijit.form.TextBox" size="50" id="tags" jsId="tagsWidget" value="3dny"></div>
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</td>
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</tr>
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<tr>
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<td>
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<b>Tagmode:</b>
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</td>
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<td>
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<select id="tagmode"
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jsId="tagmodeWidget"
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dojoType="dijit.form.ComboBox"
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autocomplete="false"
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value="any"
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>
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<option>any</option>
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<option>all</option>
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</select>
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</td>
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</tr>
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<tr>
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<td>
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<b>Number of Pictures:</b>
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</td>
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<td>
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<div
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id="count"
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jsId="countWidget"
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dojoType="dijit.form.NumberSpinner"
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value="20"
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constraints="{min:1,max:20,places:0}"
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></div>
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</td>
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</tr>
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<tr>
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<td>
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</td>
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<td>
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<div dojoType="dijit.form.Button" label="Search" id="searchButton" jsId="searchButtonWidget"></div>
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</td>
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</tr>
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</tbody>
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</table>
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</blockquote>
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<!--
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The store instance used by this demo.
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-->
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<div dojoType="dojox.data.FlickrStore" jsId="flickrStore" label="title"></div>
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<div dojoType="dojox.data.demos.widgets.FlickrViewList" store="flickrStore" id="flickrViews" jsId="flickrViewsWidget"></div>
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<!-------------------------------- Using dojox.wire, declaratively wire up the widgets. --------------------------->
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<!--
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This is an example of using the declarative data value definition.
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These are effectively declarative variables to act as placeholders
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for data values.
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-->
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<div dojoType="dojox.wire.ml.Data"
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id="messageData"
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jsId="messageData">
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<div dojoType="dojox.wire.ml.DataProperty"
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name="processingStart"
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value="PROCESSING REQUEST">
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</div>
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<div dojoType="dojox.wire.ml.DataProperty"
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name="processingDone"
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value="PROCESSING COMPLETE">
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</div>
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</div>
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<!--
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When the search button is clicked, do the following in order:
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1.) Map the widget values over to the request properties.
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2.) Set the status to processing
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3.) Invoke the fetch on the FLickrList to repopulate the table.
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-->
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<div dojoType="dojox.wire.ml.Action"
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trigger="searchButtonWidget"
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triggerEvent="onClick">
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<!--
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Read in the values from the widgets and bind them to the appropriate data locations
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The Transfer tag looks for a getter property before using direct access, so it calls
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getValue() to get the data from the widget, which works well for the dijit.form.* widgets.
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-->
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<div dojoType="dojox.wire.ml.Transfer"
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source="idWidget.value"
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target="dataHolder.request.query.id">
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</div>
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<!--
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For the tags, we need to get the value and then perform a conversion on the result
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This is done by doing a transfer through a converter.
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-->
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<div dojoType="dojox.wire.ml.Transfer"
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source="tagsWidget.value"
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target="dataHolder.request.query.tags"
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converter="tagsInputConverter">
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</div>
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<div dojoType="dojox.wire.ml.Transfer"
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source="tagmodeWidget.value"
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target="dataHolder.request.query.tagmode">
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</div>
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<div dojoType="dojox.wire.ml.Transfer"
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source="countWidget.value"
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target="dataHolder.request.count">
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</div>
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<!-- Now invoke the actions in order. -->
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<div dojoType="dojox.wire.ml.Transfer" target="statusWidget.value" source="messageData.processingStart"></div>
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<div dojoType="dojox.wire.ml.Invocation" object="flickrViewsWidget" method="fetch" parameters="dataHolder.request"></div>
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</div>
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<!--
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When the fetch processing finishes (onComplete is called), then set status to complete.
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-->
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<div dojoType="dojox.wire.ml.Action"
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trigger="flickrViewsWidget"
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triggerEvent="onComplete">
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<div dojoType="dojox.wire.ml.Transfer" target="statusWidget.value" source="messageData.processingDone"></div>
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</div>
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</body>
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</html>
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