I have a function that needs to close a Dojo dialog if it is currently open. How can I determine if a dojo dialog is active? Should I rely on pure JavaScript and check for its existence by ID?
if (dijit.byId("blah") !== undefined) {
destroyRecursive dijit;
}
Alternatively, should I use a method or property of the dialog object such as:
isFocusable
isLoaded
When using Dialog, it's important to be aware of the properties it provides like isLoaded and open. Here are their descriptions:
open is true if the Dialog is currently displayed on screen.isLoaded is true if the ContentPane has data, either specified during initialization (via href or inline content), or set via attr('content', ...) / attr('href', ...). It is false if there is no content, or if the ContentPane is still downloading the href.Therefore, you can simply do this:
var dialog = dijit.byId("blah");
if( dialog.open ) {
dialog.destroy();
}
Do you prefer concealment or annihilation?
If your intention is simply to display/hide it, you can achieve this with the following code:
var dialog = dijit.byId('blah');
if (dialog) {
if (dialog.open) {
dialog.hide();
}
else {
dialog.show();
}
}
If your goal is to eliminate it in order to release memory:
var dialog = dijit.byId('blah');
dialog.destroy();
I believe destroy is recursive as it triggers its parent destroy method, and one of its ancestors is dijit.layout.ContentPane.
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