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POWaiting for DOM to load in JSNI GWT
 

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  1. POWaiting for DOM to load in JSNI GWT
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    <p>I'm currently having a problem where the javascript seems to be executing before the DOM is completely loaded. Why do i say this? Take the following code:</p> <pre><code>var $r = $wnd.Raphael("container", 640, 480); // Creates pie chart at with center at 320, 200, // radius 100 and data: [55, 20, 13, 32, 5, 1, 2] $r.piechart(320, 240, 100, [ 55, 20, 13, 32, 5, 1, 2 ]); </code></pre> <p>returns a Javascript exception: 'f is null'. Which seems to indicate that the container name is not recognized.</p> <p>If specify absolute coordinates the piechart is rendered fine. If i use the previous code in the Chrome console (after all is loaded) it effectively, loads the piechart into the container tag.</p> <p>I've tried wrapping the block of code in a JQuery call:</p> <pre><code>$wnd.jQuery(function($) { // Creates canvas 640 × 480 at 10, 50 var $r = $wnd.Raphael("container", 640, 480); // Creates pie chart at with center at 320, 200, // radius 100 and data: [55, 20, 13, 32, 5, 1, 2] $r.piechart(320, 240, 100, [ 55, 20, 13, 32, 5, 1, 2 ]); }); </code></pre> <p>... And no dice.</p> <p>Any ideias of what i could try?</p> <p>EDIT:</p> <p>Here's how/where i'm calling the JSNI method. The following is the relevant View code.</p> <pre><code>public class WidgetSamplerView extends AbstractPanelView implements WidgetSamplerPresenter.Display { private FlexTable mainPanel; public WidgetSamplerView() { super(); mainPanel = new FlexTable(); HTML container = new HTML(); container.getElement().setAttribute("style", "width:700px;height:700px"); container.getElement().setId("container"); mainPanel.setWidget(0, 1, container); MyRaphaelWrapper.pieChart(); // JSNI Call setWidget(mainPanel); } } </code></pre>
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    1. USuser1021138
    1. USuser1021138
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    1. COJust guessing: Perhaps Raphael tries to look at the wrong DOM? I'd try $wnd.Raphael($doc.getElementById("container"), 640, 480);
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      1. USStefan Haustein
    2. COwe need to see some more context code, such as the JSNI call. are you calling the JSNI wrapping method on the appropriate phase (`onLoad`, `onAttach`, `onRender` etc.)?
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      1. USEliran Malka
    3. CO@StefanHaustein No dice, It returned 'f is null'. Thanks for the comment anyway.
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