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Droppable: Fixed intersect tolerance.

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This commit is contained in:
Scott González 2012-01-15 12:27:01 -05:00
parent 98795e3d91
commit d4bc923f56
1 changed files with 12 additions and 20 deletions
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32
ui/jquery.ui.droppable.js vendored
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@ -32,6 +32,7 @@ var guid = 0,
$.widget( "ui.droppable", {
version: "@VERSION",
widgetEventPrefix: "drop",
options: {
// accept: null,
// greedy: false,
@ -48,6 +49,8 @@ $.widget( "ui.droppable", {
droppables[ this.guid ] = this;
},
/** public **/
// TODO: rename to refresh()?
refreshPosition: function() {
// Store current location
@ -61,6 +64,8 @@ $.widget( "ui.droppable", {
};
},
/** draggable integration **/
_draggableStart: function( event, ui ) {
var draggable = $( event.target );
@ -102,6 +107,8 @@ $.widget( "ui.droppable", {
this.over = false;
},
/** internal **/
// TODO: fill me out
_uiHash: function() {
return {};
@ -113,28 +120,13 @@ $.widget( "ui.droppable", {
});
$.ui.droppable.tolerance = {
// Determines if draggable is over droppable based on intersect tolerance
// TODO: move all tolerance methods into a hash
// $.ui.droppable.tolerance.intersect
// Half of the draggable is over the droppable, horizontally and vertically
intersect: function( event, edges, ui ) {
var xDiff = edges.draggableRight - this.offset.left,
yDiff = edges.draggableBottom - this.offset.top,
xHalfway = this.proportions.width / 2,
yHalfway = this.proportions.height / 2,
xOverlap = false,
yOverlap = false;
var xHalf = ui.offset.left + this.draggableProportions.width / 2,
yHalf = ui.offset.top + this.draggableProportions.height / 2;
// If Coming from left or right
xOverlap = ui.offset.left < this.offset.left ?
xDiff >= xHalfway :
xDiff <= xHalfway + this.proportions.width;
// If Coming from top or bottom
yOverlap = ui.offset.top < this.offset.top ?
yDiff >= yHalfway :
yDiff <= yHalfway + this.proportions.height;
return xOverlap && yOverlap;
return this.offset.left < xHalf && edges.right > xHalf &&
this.offset.top < yHalf && edges.bottom > yHalf;
},
// Determines if draggable is over droppable based on touch tolerance