/** @language chinese
* <p>lufylegend.js专用UI，组合框。</p>
* <p>使用时需要引进lufylegend.ui-x.x.x.js文件。</p>
* @class UI:LComboBox
* @constructor
* @extends LSprite
* @param {int} size [可选]组合框文字的大小。
* @param {String} color [可选]组合框文字的颜色。
* @param {String} font [可选]组合框文字的格式。
* @param {LPanel} layer [可选]组合框的背景样式。
* @param {LDisplayObject} layerUp [可选]组合框的按钮抬起状态样式。
* @param {LDisplayObject} layerOver [可选]组合框的按钮抬起状态样式。
* @since 0.1.0
* @examplelink <p><a href="../../../api/ui/LComboBox.html" target="_blank">测试链接</a></p>
* @public
*/
var LComboBox = (function () {
function LComboBox (size, color, font, layerBack, layerUp, layerOver) {
var s = this;
LExtends(s, LSprite, []);
s.type = "LComboBox";
s.list = [];
/** @language chinese
* [只读]组合框的值的索引
* @property selectIndex
* @type String
* @since 0.1.0
* @public
*/
s.selectIndex = -1;
/** @language chinese
* [只读]组合框的值
* @property value
* @type String
* @since 0.1.0
* @public
*/
s.value = null;
s.selectWidth = 100;
var params;
if(typeof size != "object"){
params = {size:size,color:color,font:font,layerBack:layerBack,layerUp:layerUp,layerOver:layerOver};
}
s.size = params.size ? params.size : 16;
s.font = params.font ? params.font : "Arial";
s.color = params.color ? params.color : "#000000";
layerBack = params.layerBack;
layerUp = params.layerUp;
layerOver = params.layerOver;
s.params = params;
s.maxIndex = 5;
if (!layerBack) {
layerBack = new LSprite();
layerBack.graphics.drawRoundRect(1, "#999999", [0, 0, 200, 30, 4], true, "#f5f5f9");
}
s.listView = new LListView();
s.listView.dragEffect = LListView.DragEffects.Momentum;
s.listView.cellWidth = s.minWidth = layerBack.getWidth();
s.listView.cellHeight = s.minHeight = layerBack.getHeight();
var layer;
if (!layerUp || !layerOver) {
var up, down, data;
grd = LGlobal.canvas.createLinearGradient(0, -20, 0, 40);
grd.addColorStop(0, "#FFFFFF");
grd.addColorStop(1, "#CCCCCC");
up = new LSprite();
up.graphics.drawRoundRect(1, "#CCCCCC", [0, 0, 22, 22, 2], true, grd);
up.graphics.drawVertices(1, "#CCCCCC", [[6, 6], [16, 6], [11, 18]], true, "#008000");
data = new LBitmapData(null, 0, 0, 22, 22, LBitmapData.DATA_CANVAS);
data.draw(up);
layerUp = new LBitmap(data);
down = new LSprite();
down.graphics.drawRoundRect(1, "#CCCCCC", [0, 0, 22, 22, 2], true, grd);
down.graphics.drawVertices(1, "#CCCCCC", [[6, 6], [16, 6], [11, 18]], true, "#32CD32");
data = new LBitmapData(null, 0, 0, 22, 22, LBitmapData.DATA_CANVAS);
data.draw(down);
layerOver = new LBitmap(data);
}
var layer1 = layerBack.clone();
layerUp.x = layer1.getWidth() - layerUp.getWidth() -4;
layerUp.y = 4;
layer1.arraw = layerUp;
layer1.addChild(layerUp);
layer1.cacheAsBitmap(true);
var layer2 = layerBack.clone();
layerOver.x = layer2.getWidth() - layerOver.getWidth() -4;
layerOver.y = 4;
layer2.arraw = layerOver;
layer2.addChild(layerOver);
layer2.cacheAsBitmap(true);
layer = new LButton(layer1, layer2);
layer.setCursorEnabled(false);
layer.staticMode = true;
s.addChild(layer);
var label = new LTextField();
label.x = 4;
label.y = 4;
label.text = "";
label.size = s.size;
label.color = s.color;
label.font = s.font;
layer.addChild(label);
s.label = label;
s.layer = layer;
s.listChildView = LComboBoxChild;
s.addEventListener(LMouseEvent.MOUSE_UP, s._showChildList);
}
/** @language chinese
* 组合框的值改变时调用此事件。
* @event LComboBox.ON_CHANGE
* @since 0.1.0
*/
LComboBox.ON_CHANGE = "onchange";
/** @language chinese
* 删除元素。
* @method deleteChild
* @param {String} value 删除元素的值。
* @since 0.1.0
* @public
*/
LComboBox.prototype.deleteChild = function (value) {
var s = this, i, l, delIndex = -1;
for (i = 0, l = s.list.length; i < l; i++) {
if (s.list[i].value === value) {
delIndex = i;
break;
}
}
if (delIndex == -1) {
return;
}
s.list.splice(delIndex, 1);
if (s.value !== value) {
return;
}
if (s.list.length > 0) {
s.setValue(s.list[delIndex > 0 ? delIndex - 1 : 0].value);
} else {
s.selectIndex = -1;
s.label.text = "";
s.value = null;
}
};
/** @language chinese
* 增加元素。
* @method setChild
* @param {String} value 增加元素的值。
* @since 0.1.0
* @public
*/
LComboBox.prototype.setChild = function (child) {
var s = this, i, l;
if (!child || typeof child.value == UNDEFINED || typeof child.label == UNDEFINED) {
throw "the child must be an object like:{label:a,value:b}";
}
for (i = 0, l = s.list.length; i < l; i++) {
if (s.list[i].value === child.value) {
return;
}
}
s.list.push(child);
if (s.list.length == 1) {
s.setValue(child.value);
}
};
LComboBox.prototype.die = function () {
var self = this;
self.listView.die();
self.listView.removeAllChild();
self.callParent("die",arguments);
};
LComboBox.prototype._showChildList = function (event) {
var s = event.currentTarget;
s.showChildList();
};
LComboBox.prototype.setListChildView = function (childClass) {
this.listChildView = childClass;
};
LComboBox.prototype.showChildList = function () {
var s = this, i, l, child, w;
var translucent = new LSprite();
translucent.graphics.drawRect(0, "#000000", [0, 0, LGlobal.width, LGlobal.height], true, "#000000");
translucent.alpha = 0;
LGlobal.stage.addChild(translucent);
translucent.addEventListener(LMouseEvent.MOUSE_UP, function (e) {
var cnt = LGlobal.stage.numChildren;
if(e.target.constructor.name == "LListView"){
return;
}
var destroy = LGlobal.destroy;
LGlobal.destroy = false;
LGlobal.stage.removeChildAt(cnt - 1);
LGlobal.destroy = destroy;
LGlobal.stage.removeChildAt(cnt - 2);
});
translucent.addEventListener(LMouseEvent.MOUSE_DOWN, function (e) {});
translucent.addEventListener(LMouseEvent.MOUSE_MOVE, function (e) {});
translucent.addEventListener(LMouseEvent.MOUSE_OVER, function (e) {});
translucent.addEventListener(LMouseEvent.MOUSE_OUT, function (e) {});
var coordinate = s.getRootCoordinate();
s.listView.x = coordinate.x;
s.listView.y = coordinate.y + s.layer.getHeight();
LGlobal.stage.addChild(s.listView);
if(typeof s.listView._ll_saveY != UNDEFINED){
s.listView.clipping.y = s.listView._ll_saveY;
}
var list = [];
for (i = 0, l = s.list.length; i < l; i++) {
var selected = s.value === s.list[i].value;
child = new s.listChildView(s.list[i], s, selected);
if(selected){
s.listView._ll_selectedChild = child;
}
list.push(child);
}
s.listView.resize(s.listView.cellWidth, s.listView.cellHeight * (s.list.length > s.maxIndex ? s.maxIndex : s.list.length));
s.listView.updateList(list);
};
/** @language chinese
* 设置组合框的值。
* @method setValue
* @param {String} value 组合框的值。
* @since 0.1.0
* @public
*/
LComboBox.prototype.setValue = function (value, noEvent) {
var s = this, c, i, l;
if(s.value == value){
return;
}
c = s.list;
for (i = 0, l = c.length; i < l; i++) {
if (c[i].value == value) {
s.selectIndex = i;
s.value = s.list[s.selectIndex].value;
s.label.text = s.list[s.selectIndex].label;
if (!noEvent) {
s.dispatchEvent(LComboBox.ON_CHANGE);
}
break;
}
}
};
LComboBox.prototype.clone = function () {
var s = this, a = new LComboBox(), k, c;
for (k in s.list) {
c = s.list[k];
a.setChild({label : c.label, value : c.value});
}
a.setValue(s.value);
return a;
};
return LComboBox;
})();
var LComboBoxChild = (function () {
function LComboBoxChild(content, comboBox, selected){
var self = this;
base(self,LListChildView,[]);
self.content = content;
self.comboBox = comboBox;
if(selected){
self.setSelectStatus(content, comboBox);
}else{
self.setStatus(content, comboBox);
}
}
LComboBoxChild.prototype.setStatus = function(content, comboBox){
var self = this;
var listView = comboBox.listView;
self.graphics.drawRect(0,"#f5f5f9", [0, 0, listView.cellWidth, listView.cellHeight], true, "#f5f5f9");
var text = new LTextField();
text.size = comboBox.size;
text.color = comboBox.color;
text.font = comboBox.font;
text.text = content.label;
text.x = text.y = 5;
self.addChild(text);
self.updateView();
};
LComboBoxChild.prototype.setSelectStatus = function(content, comboBox){
var self = this;
var listView = comboBox.listView;
self.graphics.clear();
self.graphics.drawRect(0,"#CCCCCC", [0, 0, listView.cellWidth, listView.cellHeight], true, "#CCCCCC");
var text = new LTextField();
text.size = comboBox.size;
text.color = comboBox.color;
text.font = comboBox.font;
text.text = content.label;
text.x = text.y = 5;
self.addChild(text);
self.updateView();
};
LComboBoxChild.prototype.onTouch = function(event){
var self = event.target;
var listView = event.currentTarget;
if(listView._ll_selectedChild){
listView._ll_selectedChild.removeAllChild();
listView._ll_selectedChild.cacheAsBitmap(false);
listView._ll_selectedChild.setStatus(listView._ll_selectedChild.content, listView._ll_selectedChild.comboBox);
}
self.removeAllChild();
self.cacheAsBitmap(false);
self.setSelectStatus(self.content, self.comboBox);
listView._ll_selectedChild = self;
};
LComboBoxChild.prototype.onClick = function(event){
var self = event.target;
var listView = event.currentTarget, i, v;
var comboBox = self.comboBox;
var listViewIndex;
comboBox.setValue(self.content.value);
for(var i=LGlobal.stage.numChildren-1;i>=0;i--){
if(LGlobal.stage.childList[i].constructor.name == "LListViewDragObject"){
LGlobal.stage.removeChildAt(i);
LGlobal.listViewDragObject = null;
continue;
}
if(LGlobal.stage.childList[i].objectIndex != listView.objectIndex){
continue;
}
var destroy = LGlobal.destroy;
LGlobal.destroy = false;
LGlobal.stage.removeChildAt(i);
LGlobal.destroy = destroy;
LGlobal.stage.removeChildAt(i - 1);
listView._ll_saveY = listView.clipping.y;
break;
}
};
return LComboBoxChild;
})();
