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Sortables: Fixed tolerance guess. Changed name _intersectsWithEdges to _intersectsWithPointer.

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This commit is contained in:
Eduardo Lundgren 2008-11-21 15:30:15 +00:00
parent 4b2a73e2b2
commit 89793957e5
1 changed files with 59 additions and 12 deletions
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71
ui/ui.sortable.js
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@ -13,7 +13,6 @@
(function($) {
$.widget("ui.sortable", $.extend({}, $.ui.mouse, {
_init: function() {
var o = this.options;
@ -206,8 +205,7 @@ $.widget("ui.sortable", $.extend({}, $.ui.mouse, {
},
_mouseDrag: function(event) {
//Compute the helpers position
//Compute the helpers position
this.position = this._generatePosition(event);
this.positionAbs = this._convertPositionTo("absolute");
@ -229,20 +227,27 @@ $.widget("ui.sortable", $.extend({}, $.ui.mouse, {
//Rearrange
for (var i = this.items.length - 1; i >= 0; i--) {
var intersection = this._intersectsWithEdge(this.items[i]);
var item = this.items[i], intersection = this._intersectsWithPointer(item);
if (!intersection) continue;
var item = this.items[i].item[0];
var itemChecked = this.items[i].item[0];
if(item != this.currentItem[0] //cannot intersect with itself
&& this.placeholder[intersection == 1 ? "next" : "prev"]()[0] != item //no useless actions that have been done before
&& !$.ui.contains(this.placeholder[0], item) //no action if the item moved is the parent of the item checked
&& (this.options.type == 'semi-dynamic' ? !$.ui.contains(this.element[0], item) : true)
if(itemChecked != this.currentItem[0] //cannot intersect with itself
&& this.placeholder[intersection == 1 ? "next" : "prev"]()[0] != itemChecked //no useless actions that have been done before
&& !$.ui.contains(this.placeholder[0], itemChecked) //no action if the item moved is the parent of the item checked
&& (this.options.type == 'semi-dynamic' ? !$.ui.contains(this.element[0], itemChecked) : true)
) {
this.direction = intersection == 1 ? "down" : "up";
this.options.sortIndicator.call(this, event, this.items[i]);
if (this.options.tolerance == "pointer") {
this.options.sortIndicator.call(this, event, item);
}
else if (this.options.tolerance == "guess" && this._intersectsGuess(item)) {
this.options.sortIndicator.call(this, event, item);
}
this._propagate("change", event); //Call plugins and callbacks
break;
}
@ -380,7 +385,7 @@ $.widget("ui.sortable", $.extend({}, $.ui.mouse, {
}
},
_intersectsWithEdge: function(item) {
_intersectsWithPointer: function(item) {
var dyClick = this.offset.click.top, dxClick = this.offset.click.left;
var helperTop = this.positionAbs.top, helperLeft = this.positionAbs.left;
var itemHeight = item.height, itemWidth = item.width;
@ -418,6 +423,49 @@ $.widget("ui.sortable", $.extend({}, $.ui.mouse, {
return false;
},
_intersectsGuess: function(item) {
var dyClick = this.offset.click.top, dxClick = this.offset.click.left;
var helperTop = this.positionAbs.top, helperLeft = this.positionAbs.left;
var itemHeight = item.height, itemWidth = item.width;
var itemTop = item.top, itemLeft = item.left;
var isOverBottomHalf = $.ui.isOverHeight(helperTop + dyClick, itemTop + (itemHeight/2), itemHeight);
var isOverTopHalf = !isOverBottomHalf;
var isOverRightHalf = $.ui.isOverWidth(helperLeft + dxClick, itemLeft + (itemWidth/2), itemWidth);
var isOverLeftHalf = !isOverRightHalf;
var verticalDirection = this._getDragVerticalDirection();
var horizontalDirection = this._getDragHorizontalDirection();
var verticalIntersection = function() {
if (!verticalDirection) {
return false;
}
if (verticalDirection == "down" && isOverBottomHalf ||
verticalDirection == "up" && isOverTopHalf) {
return true;
}
};
var horizontalIntersection = function() {
if (!horizontalDirection) {
return verticalIntersection();
}
if (horizontalDirection == "left" && isOverLeftHalf ||
horizontalDirection == "right" && isOverRightHalf) {
return true;
}
};
if (this.floating) {
return horizontalIntersection();
}
else {
return verticalIntersection();
}
return false;
},
_getDragVerticalDirection: function() {
var helperTop = this.positionAbs.top;
var lastTop = this.lastPositionAbs.top;
@ -679,7 +727,6 @@ $.widget("ui.sortable", $.extend({}, $.ui.mouse, {
},
_convertPositionTo: function(d, pos) {
if(!pos) pos = this.position;
var mod = d == "absolute" ? 1 : -1;