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Interaction: Added _isValidTarget(), equivalent of _mouseCapture().

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This commit is contained in:
Scott González 2012-01-14 16:14:39 -05:00
parent b9db636cbe
commit d31f31cfa8
1 changed files with 44 additions and 21 deletions
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65
ui/jquery.ui.interaction.js vendored
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@ -12,21 +12,30 @@ $.widget( "ui.interaction", {
_startProxy: function( hook ) {
var that = this;
return function( event, position ) {
that._interactionStart( event, position, hook );
return function( event, target, position ) {
return that._interactionStart( event, target, position, hook );
}
},
_interactionStart: function( event, position, hook ) {
_interactionStart: function( event, target, position, hook ) {
var started;
// only one interaction can happen at a time
if ( interaction.started ) {
return;
return false;
}
if ( false !== this._start( event, position ) ) {
if ( false === this._isValidTarget( $( target ) ) ) {
return false;
}
started = this._start( event, position );
if ( started ) {
interaction.started = true;
interaction.hooks[ hook ].handle( this );
}
return started;
},
_interactionMove: function( event, position ) {
@ -36,6 +45,10 @@ $.widget( "ui.interaction", {
_interactionStop: function( event, position ) {
this._stop( event, position );
interaction.started = false;
},
_isValidTarget: function( target ) {
return true;
}
});
@ -50,11 +63,14 @@ interaction.hooks.mouse = {
widget._bind({
"mousedown": function( event ) {
if ( event.which === 1 ) {
event.preventDefault();
start( event, {
var started = start( event, event.target, {
left: event.pageX,
top: event.pageY
});
if ( started ) {
event.preventDefault();
}
}
}
});
@ -103,20 +119,24 @@ var touchHook = interaction.hooks.touch = {
setup: function( widget, start ) {
widget._bind({
"touchstart": function( event ) {
var touch;
var touch, started;
if ( touchHook.id ) {
return;
}
touch = event.originalEvent.changedTouches.item( 0 );
touchHook.id = touch.identifier;
event.preventDefault();
start( event, {
started = start( event, touch.target, {
left: touch.pageX,
top: touch.pageY
});
if ( started ) {
// track which finger is performing the interaction
touchHook.id = touch.identifier;
// prevent panning/zooming
event.preventDefault();
}
}
});
},
@ -164,7 +184,8 @@ var pointerHook = interaction.hooks.msPointer = {
setup: function( widget, start ) {
widget._bind({
"MSPointerDown": function( _event ) {
var event = _event.originalEvent;
var started,
event = _event.originalEvent;
if ( pointerHook.id ) {
return;
@ -178,17 +199,19 @@ var pointerHook = interaction.hooks.msPointer = {
return;
}
// track which pointer is performing the interaction
pointerHook.id = event.pointerId;
// prevent panning/zooming
event.preventManipulation();
// prevent promoting pointer events to mouse events
event.preventMouseEvent();
start( event, {
started = start( event, event.target, {
left: event.pageX,
top: event.pageY
});
if ( started ) {
// track which pointer is performing the interaction
pointerHook.id = event.pointerId;
// prevent panning/zooming
event.preventManipulation();
// prevent promoting pointer events to mouse events
event.preventMouseEvent();
}
}
});
},