We have a dijit.Tree that indicates a node type by using an icon. The icon is a unique indicator that tells the person this node is a "book" or a "DVD" or a "magazine" for example.
dijit renders the icon as a background image in CSS which we know screen readers do not see.
I tried overriding the getTooltip method to provide a tooltip saying "book" or "DVD". It successfully adds the "title" attribute to the "dijitTreeRow". If I mouse over the node, I see the text. This is not ever focused on when the user moves down to get from one node to the next.
When navigating the tree, the up and down arrows traverse the nodes. The span with the visible text is focused on and that string is read. You can see the dotted line focus as well as hear this with JAWS in the most basic of examples: https://dojotoolkit.org/reference-guide/1.10/dijit/Tree.html
What I have not been able to figure out is how to create an indicator that the screen reader will pick up on that will read "Book" alongside "The Great Gatsby".
Does anyone have any tips on how they made this dijit widget accessible for the screen reader when the images are an indicator that should be heard by the blind user?
The tree supports HTML labels, via setting the labelType property on the model you give it.
Assuming you don't want to change the store data (or override the getLabel method), you can reimplement dijit/Tree.getLabel and produce the HTML label, and wrap it with a span with an aria-label.
(code lifted from the dijit.Tree reference).
var myModel = new ObjectStoreModel({
store: myStore,
labelType: "html", // Hack to tell the tree node to render as HTML
query: {id: 'world'}
});
var tree = new Tree({
model: myModel,
getLabel: function(item) {
var label = this.model.getLabel(item);
// dojo.string
return dstring.substitute("<span aria-label='dvd ${0}'>${0}</span>", [label]);
}
});
If your data might contain HTML-ish characters that you don't want to render, escape the characters in getLabel too.
I'm making a Safari extension, but am not able to make any visible changes to the webpage using JS injection.
I have added a button in Extension Builder. This is global.html:
safari.application.addEventListener("command", performCommand, false);
function performCommand(event) {
document.getElementsByTagName("body")[0].style.background = "red";
alert('no errors!'); // this IS called
}
The alert IS called so the function is executed without errors. However, the body background does not become red. I have tried with different webpages. If I change the body background with Safari's Web Inspector then the page becomes red. The JS by itself is fine: https://jsfiddle.net/f1tdx3za/
In Extension Builder:
Website Access: all (checked 'include secure pages')
Note that the DOM change must be linked to the button click. It should NOT be executed whenever a page loads.
I have a Capybara/Cucumber test running in firefox that will not click an svg element. I have the equivalent test working on other elements that are of the same type, but Capybara is telling me this error for this specific element:
Element is not clickable at point (1179.5, 172.96665954589844). Other element would receive the click: <svg height="124" width="290"></svg> (Selenium::WebDriver::Error::UnknownError)
The click looks like:
find("#partner-profit-chart svg g.pie-slice._1").click
And the actual site is hosted here http://mrr.devtechlab.com/mrr-dashboard.html, the element that it won't click is the third pie chart on the right. I am able to click the other pie charts just fine, but somehow Selenium thinks it will click the SVG containing the element for only this chart???
EDIT:
Ended up manually clicking the d3 element using the following(jquery click doesn't work on d3 elements FYI):
execute_script(
%Q(
jQuery.fn.d3Click = function () {
this.each(function (i, e) {
var evt = new MouseEvent("click");
e.dispatchEvent(evt);
});
};
$("#partner-profit-chart svg g.pie-slice._1 path").d3Click();
)
)
Selenium attempts to click in the middle of the bounding box of an element. The issue here is that with a highly concave shape the center of the bounding box isn't actually in the element, and therefore the click is going through to the encapsulating svg element. Since this page is using jQuery, your best bet may just be to use #execute_script to find the element and trigger click on it.
I have an dojo enhanced grid inside a title pane which inturn in Tabcontainer. I am creating a tab container dynamically and painting the title pane which contains grid. For the first time the grid is painted properly but if i close the tab and again try it to open a tabcontainer title pane is painted but grid inside the titlepane is not painted (or rather its not visible) until i do a browser resize.
So anybody have faced similar kind of issue? Please let me know the solution for this.
I tried resize(), update() & startup() methods on grid nothing worked out.
I am kind of stuck please share your thoughts on this.
Thanks,
Vikram
I had the same problem and found a workaround by doing a dojo connect like:
dojo.connect(Datagrid,"_onFetchComplete",DataGrid,"_resize");
So it should automatically be resized, when DataGrid finished loading data.
Hope I could help.
Greeting, Simon
Have you tried setting an absolute height on the Grid?
Which browsers did you try? (I experienced various problems with DataGrid in TabCointainer using IE)
You must call the TabContainer.layout() each time its container is changing size. For doing this, you could 1) monitor DOMEvents onunderflow and onoverflow on containing DOMNode or 2) when container becomes visible (once-n-forall).
Reason why a window.onresize event fixes it is, that the TabContainer hooks on said event and calls its own layout.
In your situation, where the TabController fiddles with TabContainer's panes, there may be missing a 'layoutChildren' somewhere. Optimally, you should place the grid as the first on only child to tab.
After the grid is deployed, it will take an absolute, calculated height - 'inherited' from the TabContainer. This is fired once the TabContainer chooses to resize or instructed to do so.
Manually, you should be able to implement these lines - after re-opening a tab. The script is taken from _Grid.js to illustrate
var grid = dijit.byId('MYGRIDID');
require(["dijit/layout/utils"], function(layerUtils) {
layoutUtils.layoutChildren(grid.domNode,
grid._contentBox,
[grid.tablist, {
domNode: grid.tablistSpacer,
layoutAlign: titleAlign
}, {
domNode: grid.containerNode,
layoutAlign: "client"
}]);
grid._containerContentBox = layoutUtils.marginBox2contentBox(grid.containerNode,
{
domNode: grid.containerNode,
layoutAlign: "client"
});
// note this line in particular
grid.selectedChildWidget.resize(grid._containerContentBox);
}
My issue
I had a similar situation as yours:
Grid is in a titlepane (closed by default).
Grid can be destroyed and re-created on the fly.
Issue appears when user:
opens the pane.
closes the pane.
re-creates the grid.
re-opens the pane.
grid is not visible, until browser window is resized!
My solution
My approach was to force a resize() on my grid whenever the title pane was being opened.
I used code like this, in a place where I had access to both the grid and the panes:
var titlePane = registry.byId("title-pane-id");
var handle = aspect.after(titlePane, "toggle", function(deferred) {
if (titlePane.open) {
grid.resize();
}
});
The dojo/aspect doc
Don't forget to remove the aspect from your grid if you destroy it.
I did this on dojo v1.8.1
My solution is too easy: define on declaration of grid the bold parameter write here:
grid = new EnhancedGrid({id: 'MyIDgrid',
store: dataStore = new ObjectStore({objectStore: myStore}),
structure: structureGrid,
plugins: pluginGrid,
style : 'width: 725px; height: 350px',
autoWidth : true,
**autoHeight : false,height:'200px',**
elasticView : '2'
}, document.createElement('div'));
this resolve all!
Enjoy!
style="height: auto;" will fit the purpose.
I have a gadget that is a glossary with a number of different pages. users can upload new words to the data source and those words will be pulled into the glossary through an AJAX call.
I want to resize the gadget window everytime the window is re-sized OR a new letter is selected and the page height changes (ie the gadget html block height).
Google developers has posted this on their website. However, this clearly is not working for me. The scrolling is not registering on the iframe and the height is not adjusting when the window is resized.
Here are my ModulePrefs
title="Climate Policy and Science Glossary"
description="Paragraph format"
height="300"
scrolling="true">
<Require feature="dynamic-height"/>
<Require feature="opensocial-0.8" />
Here is the gadget's script telling it to adjust:
window.onresize = adjust;
function adjust() {
var wndwH = gadgets.window.getViewportDimensions().height,
wgtH = $('#_glossary').closest('html').height,
h = Math.min(wndwH, wgtH);
gadgets.window.adjustHeight(h);
}
gadgets.util.registerOnLoadHandler(adjust);
What's going on? Am I doing something wrong or is there anyone else out there having trouble with Google's dynamic height??
The adjust function really only needs:
function adjust() {
gadgets.window.adjustHeight();
}
That should fit everything automatically.