goog.Disposable | |
goog.events.EventTarget | goog.Disposable |
goog.ui.DragDropDetector | goog.events.EventTarget |
opt_filePath
: string=
The URL of the page to use for the detector.
It should contain the same contents as dragdropdetector_target.html in
the demos directory.
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Clear the contents of the iframe.
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Cover the screen with the iframe.
Arguments:
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No description.
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Handle a drop on the IE text INPUT.
Arguments:
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Handle a new drag event.
Arguments:
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Event handler called when the content of the iframe changes.
Arguments:
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Initialize the iframe after it has loaded.
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Remove the text INPUT so the IFRAME is showing. Does nothing when the DIV is
off screen.
Arguments:
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Re-insert the INPUT into the DIV. Does nothing when the DIV is off screen.
Arguments:
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Handle mouse tracking.
Arguments:
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Uncover the screen.
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Use
#listen instead, when possible. Otherwise, use
goog.events.listen if you are passing Object
(instead of Function) as handler.
Adds an event listener to the event target. The same handler can only be
added once per the type. Even if you add the same handler multiple times
using the same type then it will only be called once when the event is
dispatched.
Arguments:
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Asserts that the event target instance is initialized properly.
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No description.
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Removes listeners from this object. Classes that extend EventTarget may
need to override this method in order to remove references to DOM Elements
and additional listeners.
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No description.
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No description.
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Returns the parent of this event target to use for bubbling.
Returns: goog.events.EventTarget
The parent EventTarget or null if
there is no parent.
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No description.
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Use
#unlisten instead, when possible. Otherwise, use
goog.events.unlisten if you are passing Object
(instead of Function) as handler.
Removes an event listener from the event target. The handler must be the
same object as the one added. If the handler has not been added then
nothing is done.
Arguments:
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Sets the parent of this event target to use for capture/bubble
mechanism.
Arguments:
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Sets the target to be used for
event.target when firing
event. Mainly used for testing. For example, see
goog.testing.events.mixinListenable .
Arguments:
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No description.
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No description.
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Invokes a callback function when this object is disposed. Callbacks are
invoked in the order in which they were added.
Arguments:
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Disposes of the object. If the object hasn't already been disposed of, calls
#disposeInternal . Classes that extend goog.Disposable should
override #disposeInternal in order to delete references to COM
objects, DOM nodes, and other disposable objects. Reentrant.
Returns: void
Nothing.
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Deletes or nulls out any references to COM objects, DOM nodes, or other
disposable objects. Classes that extend
goog.Disposable should
override this method.
Not reentrant. To avoid calling it twice, it must only be called from the
subclass' disposeInternal method. Everywhere else the public
dispose method must be used.
For example:
mypackage.MyClass = function() { mypackage.MyClass.base(this, 'constructor'); // Constructor logic specific to MyClass. ... }; goog.inherits(mypackage.MyClass, goog.Disposable); mypackage.MyClass.prototype.disposeInternal = function() { // Dispose logic specific to MyClass. ... // Call superclass's disposeInternal at the end of the subclass's, like // in C++, to avoid hard-to-catch issues. mypackage.MyClass.base(this, 'disposeInternal'); }; |
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Use
#isDisposed instead.
No description.
Returns: boolean
Whether the object has been disposed of.
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No description.
Returns: boolean
Whether the object has been disposed of.
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Associates a disposable object with this object so that they will be disposed
together.
Arguments:
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The iframe's body, null if the iframe hasn't loaded yet.
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No description.
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The iframe's document, null if the iframe hasn't loaded yet.
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The iframe element.
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Our event handler object.
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Whether we are in "screen cover" mode in which the iframe or div is
covering the entire screen.
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The last position of the mouse while dragging.
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The root element (the IFRAME on most browsers, the DIV on IE).
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The text INPUT element used to detect link drops on IE. null on Firefox.
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The iframe's window, null if the iframe hasn't loaded yet.
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The object to use for event.target. Useful when mixing in an
EventTarget to another object.
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No description.
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Maps of event type to an array of listeners.
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Parent event target, used during event bubbling.
TODO(user): Change this to goog.events.Listenable. This
currently breaks people who expect getParentEventTarget to return
goog.events.EventTarget.
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Enforce that anything dragged over the IFRAME is copied in to it, rather
than making it navigate to a different URL.
Arguments:
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Prefix for all CSS names.
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Path to the dragdrop.html file.
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Browser specific drop event type.
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Initial value for clientX and clientY indicating that the location has
never been updated.
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A map of special case information for URLs that cannot be dropped. Each
entry is of the form:
regex: url regex
message: user visible message about this special case
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Regex that matches anything that looks kind of like a URL. It matches
nonspacechars://nonspacechars
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No description.
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Drag and drop event types.
Constants:
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