2013-08-28 05:09:44 +04:00
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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2013-08-26 05:34:23 +04:00
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"use strict";
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this.EXPORTED_SYMBOLS = [
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"SelectParentHelper"
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];
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let currentBrowser = null;
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this.SelectParentHelper = {
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populate: function(popup, items, selectedIndex) {
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// Clear the current contents of the popup
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popup.textContent = "";
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populateChildren(popup, items, selectedIndex);
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},
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open: function(browser, popup, rect) {
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currentBrowser = browser;
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this._registerListeners(popup);
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popup.hidden = false;
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2014-03-01 05:00:17 +04:00
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let {x, y} = browser.mapScreenCoordinatesFromContent(rect.left, rect.top + rect.height);
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popup.openPopupAtScreen(x, y);
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2013-08-26 05:34:23 +04:00
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},
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hide: function(popup) {
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popup.hidePopup();
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},
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handleEvent: function(event) {
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let popup = event.currentTarget;
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switch (event.type) {
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case "command":
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if (event.target.hasAttribute("value")) {
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currentBrowser.messageManager.sendAsyncMessage("Forms:SelectDropDownItem", {
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value: event.target.value
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});
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}
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popup.hidePopup();
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break;
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case "popuphidden":
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currentBrowser.messageManager.sendAsyncMessage("Forms:DismissedDropDown", {});
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currentBrowser = null;
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this._unregisterListeners(popup);
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break;
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}
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},
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_registerListeners: function(popup) {
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popup.addEventListener("command", this);
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popup.addEventListener("popuphidden", this);
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},
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_unregisterListeners: function(popup) {
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popup.removeEventListener("command", this);
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popup.removeEventListener("popuphidden", this);
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},
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};
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function populateChildren(element, options, selectedIndex, startIndex = 0, isGroup = false) {
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let index = startIndex;
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for (let option of options) {
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let item = element.ownerDocument.createElement("menuitem");
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item.setAttribute("label", option.textContent);
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item.setAttribute("type", "radio");
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if (index == selectedIndex) {
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item.setAttribute("checked", "true");
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}
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element.appendChild(item);
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if (option.children.length > 0) {
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item.classList.add("contentSelectDropdown-optgroup");
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item.setAttribute("disabled", "true");
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index = populateChildren(element, option.children, selectedIndex, index, true);
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} else {
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item.setAttribute("value", index++);
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if (isGroup) {
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item.classList.add("contentSelectDropdown-ingroup")
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}
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}
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}
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return index;
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}
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