combobox.js
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JS
559 行
clearTimeout(this.searchTimer);
}
if (doSearch) {
this._blurOptionNode();
this.searchTimer = setTimeout(dojo.lang.hitch(this, this._startSearchFromInput), this.searchDelay);
}
}, compositionEnd:function (evt) {
evt.key = evt.keyCode;
this._handleKeyEvents(evt);
}, onKeyUp:function (evt) {
this.setValue(this.textInputNode.value);
}, setSelectedValue:function (value) {
this.comboBoxSelectionValue.value = value;
}, setAllValues:function (value1, value2) {
this.setSelectedValue(value2);
this.setValue(value1);
}, _focusOptionNode:function (node) {
if (this._highlighted_option != node) {
this._blurOptionNode();
this._highlighted_option = node;
dojo.html.addClass(this._highlighted_option, "dojoComboBoxItemHighlight");
}
}, _blurOptionNode:function () {
if (this._highlighted_option) {
dojo.html.removeClass(this._highlighted_option, "dojoComboBoxItemHighlight");
this._highlighted_option = null;
}
}, _highlightNextOption:function () {
if ((!this._highlighted_option) || !this._highlighted_option.parentNode) {
this._focusOptionNode(this.optionsListNode.firstChild);
} else {
if (this._highlighted_option.nextSibling) {
this._focusOptionNode(this._highlighted_option.nextSibling);
}
}
dojo.html.scrollIntoView(this._highlighted_option);
}, _highlightPrevOption:function () {
if (this._highlighted_option && this._highlighted_option.previousSibling) {
this._focusOptionNode(this._highlighted_option.previousSibling);
} else {
this._highlighted_option = null;
this._hideResultList();
return;
}
dojo.html.scrollIntoView(this._highlighted_option);
}, _itemMouseOver:function (evt) {
if (evt.target === this.optionsListNode) {
return;
}
this._focusOptionNode(evt.target);
dojo.html.addClass(this._highlighted_option, "dojoComboBoxItemHighlight");
}, _itemMouseOut:function (evt) {
if (evt.target === this.optionsListNode) {
return;
}
this._blurOptionNode();
}, onResize:function () {
var inputSize = dojo.html.getContentBox(this.textInputNode);
if (inputSize.height <= 0) {
dojo.lang.setTimeout(this, "onResize", 100);
return;
}
var buttonSize = {width:inputSize.height, height:inputSize.height};
dojo.html.setContentBox(this.downArrowNode, buttonSize);
}, fillInTemplate:function (args, frag) {
dojo.html.applyBrowserClass(this.domNode);
var source = this.getFragNodeRef(frag);
if (!this.name && source.name) {
this.name = source.name;
}
this.comboBoxValue.name = this.name;
this.comboBoxSelectionValue.name = this.name + "_selected";
dojo.html.copyStyle(this.domNode, source);
dojo.html.copyStyle(this.textInputNode, source);
dojo.html.copyStyle(this.downArrowNode, source);
with (this.downArrowNode.style) {
width = "0px";
height = "0px";
}
var dpClass;
if (this.dataProviderClass) {
if (typeof this.dataProviderClass == "string") {
dpClass = dojo.evalObjPath(this.dataProviderClass);
} else {
dpClass = this.dataProviderClass;
}
} else {
if (this.mode == "remote") {
dpClass = dojo.widget.incrementalComboBoxDataProvider;
} else {
dpClass = dojo.widget.basicComboBoxDataProvider;
}
}
this.dataProvider = new dpClass(this, this.getFragNodeRef(frag));
this.popupWidget = new dojo.widget.createWidget("PopupContainer", {toggle:this.dropdownToggle, toggleDuration:this.toggleDuration});
dojo.event.connect(this, "destroy", this.popupWidget, "destroy");
this.optionsListNode = this.popupWidget.domNode;
this.domNode.appendChild(this.optionsListNode);
dojo.html.addClass(this.optionsListNode, "dojoComboBoxOptions");
dojo.event.connect(this.optionsListNode, "onclick", this, "_selectOption");
dojo.event.connect(this.optionsListNode, "onmouseover", this, "_onMouseOver");
dojo.event.connect(this.optionsListNode, "onmouseout", this, "_onMouseOut");
dojo.event.connect(this.optionsListNode, "onmouseover", this, "_itemMouseOver");
dojo.event.connect(this.optionsListNode, "onmouseout", this, "_itemMouseOut");
}, _openResultList:function (results) {
if (this.disabled) {
return;
}
this._clearResultList();
if (!results.length) {
this._hideResultList();
}
if ((this.autoComplete) && (results.length) && (!this._prev_key_backspace) && (this.textInputNode.value.length > 0)) {
var cpos = this._getCaretPos(this.textInputNode);
if ((cpos + 1) > this.textInputNode.value.length) {
this.textInputNode.value += results[0][0].substr(cpos);
this._setSelectedRange(this.textInputNode, cpos, this.textInputNode.value.length);
}
}
var even = true;
while (results.length) {
var tr = results.shift();
if (tr) {
var td = document.createElement("div");
td.appendChild(document.createTextNode(tr[0]));
td.setAttribute("resultName", tr[0]);
td.setAttribute("resultValue", tr[1]);
td.className = "dojoComboBoxItem " + ((even) ? "dojoComboBoxItemEven" : "dojoComboBoxItemOdd");
even = (!even);
this.optionsListNode.appendChild(td);
}
}
this._showResultList();
}, _onFocusInput:function () {
this._hasFocus = true;
}, _onBlurInput:function () {
this._hasFocus = false;
this._handleBlurTimer(true, 500);
}, _handleBlurTimer:function (clear, millisec) {
if (this.blurTimer && (clear || millisec)) {
clearTimeout(this.blurTimer);
}
if (millisec) {
this.blurTimer = dojo.lang.setTimeout(this, "_checkBlurred", millisec);
}
}, _onMouseOver:function (evt) {
if (!this._mouseover_list) {
this._handleBlurTimer(true, 0);
this._mouseover_list = true;
}
}, _onMouseOut:function (evt) {
var relTarget = evt.relatedTarget;
try {
if (!relTarget || relTarget.parentNode != this.optionsListNode) {
this._mouseover_list = false;
this._handleBlurTimer(true, 100);
this._tryFocus();
}
}
catch (e) {
}
}, _isInputEqualToResult:function (result) {
var input = this.textInputNode.value;
if (!this.dataProvider.caseSensitive) {
input = input.toLowerCase();
result = result.toLowerCase();
}
return (input == result);
}, _isValidOption:function () {
var tgt = dojo.html.firstElement(this.optionsListNode);
var isValidOption = false;
while (!isValidOption && tgt) {
if (this._isInputEqualToResult(tgt.getAttribute("resultName"))) {
isValidOption = true;
} else {
tgt = dojo.html.nextElement(tgt);
}
}
return isValidOption;
}, _checkBlurred:function () {
if (!this._hasFocus && !this._mouseover_list) {
this._hideResultList();
if (!this.textInputNode.value.length) {
this.setAllValues("", "");
return;
}
var isValidOption = this._isValidOption();
if (this.forceValidOption && !isValidOption) {
this.setAllValues("", "");
return;
}
if (!isValidOption) {
this.setSelectedValue("");
}
}
}, _selectOption:function (evt) {
var tgt = null;
if (!evt) {
evt = {target:this._highlighted_option};
}
if (!dojo.html.isDescendantOf(evt.target, this.optionsListNode)) {
if (!this.textInputNode.value.length) {
return;
}
tgt = dojo.html.firstElement(this.optionsListNode);
if (!tgt || !this._isInputEqualToResult(tgt.getAttribute("resultName"))) {
return;
}
} else {
tgt = evt.target;
}
while ((tgt.nodeType != 1) || (!tgt.getAttribute("resultName"))) {
tgt = tgt.parentNode;
if (tgt === dojo.body()) {
return false;
}
}
this.selectedResult = [tgt.getAttribute("resultName"), tgt.getAttribute("resultValue")];
this.setAllValues(tgt.getAttribute("resultName"), tgt.getAttribute("resultValue"));
if (!evt.noHide) {
this._hideResultList();
this._setSelectedRange(this.textInputNode, 0, null);
}
this._tryFocus();
}, _clearResultList:function () {
if (this.optionsListNode.innerHTML) {
this.optionsListNode.innerHTML = "";
}
}, _hideResultList:function () {
this.popupWidget.close();
}, _showResultList:function () {
var childs = this.optionsListNode.childNodes;
if (childs.length) {
var visibleCount = Math.min(childs.length, this.maxListLength);
with (this.optionsListNode.style) {
display = "";
if (visibleCount == childs.length) {
height = "";
} else {
height = visibleCount * dojo.html.getMarginBox(childs[0]).height + "px";
}
width = (dojo.html.getMarginBox(this.domNode).width - 2) + "px";
}
this.popupWidget.open(this.domNode, this, this.downArrowNode);
} else {
this._hideResultList();
}
}, handleArrowClick:function () {
this._handleBlurTimer(true, 0);
this._tryFocus();
if (this.popupWidget.isShowingNow) {
this._hideResultList();
} else {
this._startSearch("");
}
}, _tryFocus:function () {
try {
this.textInputNode.focus();
}
catch (e) {
}
}, _startSearchFromInput:function () {
this._startSearch(this.textInputNode.value);
}, _startSearch:function (key) {
this.dataProvider.startSearch(key, dojo.lang.hitch(this, "_openResultList"));
}, postCreate:function () {
this.onResize();
dojo.event.connect(this.textInputNode, "onblur", this, "_onBlurInput");
dojo.event.connect(this.textInputNode, "onfocus", this, "_onFocusInput");
if (this.disabled) {
this.disable();
}
var s = dojo.widget.html.stabile.getState(this.widgetId);
if (s) {
this.setState(s);
}
}});
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