1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 1.2 +++ b/toolkit/modules/SelectParentHelper.jsm Wed Dec 31 06:09:35 2014 +0100 1.3 @@ -0,0 +1,94 @@ 1.4 +/* This Source Code Form is subject to the terms of the Mozilla Public 1.5 + * License, v. 2.0. If a copy of the MPL was not distributed with this 1.6 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ 1.7 + 1.8 +"use strict"; 1.9 + 1.10 +this.EXPORTED_SYMBOLS = [ 1.11 + "SelectParentHelper" 1.12 +]; 1.13 + 1.14 +let currentBrowser = null; 1.15 + 1.16 +this.SelectParentHelper = { 1.17 + populate: function(popup, items, selectedIndex) { 1.18 + // Clear the current contents of the popup 1.19 + popup.textContent = ""; 1.20 + populateChildren(popup, items, selectedIndex); 1.21 + }, 1.22 + 1.23 + open: function(browser, popup, rect) { 1.24 + currentBrowser = browser; 1.25 + this._registerListeners(popup); 1.26 + popup.hidden = false; 1.27 + 1.28 + let {x, y} = browser.mapScreenCoordinatesFromContent(rect.left, rect.top + rect.height); 1.29 + popup.openPopupAtScreen(x, y); 1.30 + }, 1.31 + 1.32 + hide: function(popup) { 1.33 + popup.hidePopup(); 1.34 + }, 1.35 + 1.36 + handleEvent: function(event) { 1.37 + let popup = event.currentTarget; 1.38 + 1.39 + switch (event.type) { 1.40 + case "command": 1.41 + if (event.target.hasAttribute("value")) { 1.42 + currentBrowser.messageManager.sendAsyncMessage("Forms:SelectDropDownItem", { 1.43 + value: event.target.value 1.44 + }); 1.45 + } 1.46 + popup.hidePopup(); 1.47 + break; 1.48 + 1.49 + case "popuphidden": 1.50 + currentBrowser.messageManager.sendAsyncMessage("Forms:DismissedDropDown", {}); 1.51 + currentBrowser = null; 1.52 + this._unregisterListeners(popup); 1.53 + break; 1.54 + } 1.55 + }, 1.56 + 1.57 + _registerListeners: function(popup) { 1.58 + popup.addEventListener("command", this); 1.59 + popup.addEventListener("popuphidden", this); 1.60 + }, 1.61 + 1.62 + _unregisterListeners: function(popup) { 1.63 + popup.removeEventListener("command", this); 1.64 + popup.removeEventListener("popuphidden", this); 1.65 + }, 1.66 + 1.67 +}; 1.68 + 1.69 +function populateChildren(element, options, selectedIndex, startIndex = 0, isGroup = false) { 1.70 + let index = startIndex; 1.71 + 1.72 + for (let option of options) { 1.73 + let item = element.ownerDocument.createElement("menuitem"); 1.74 + item.setAttribute("label", option.textContent); 1.75 + item.setAttribute("type", "radio"); 1.76 + 1.77 + if (index == selectedIndex) { 1.78 + item.setAttribute("checked", "true"); 1.79 + } 1.80 + 1.81 + element.appendChild(item); 1.82 + 1.83 + if (option.children.length > 0) { 1.84 + item.classList.add("contentSelectDropdown-optgroup"); 1.85 + item.setAttribute("disabled", "true"); 1.86 + index = populateChildren(element, option.children, selectedIndex, index, true); 1.87 + } else { 1.88 + item.setAttribute("value", index++); 1.89 + 1.90 + if (isGroup) { 1.91 + item.classList.add("contentSelectDropdown-ingroup") 1.92 + } 1.93 + } 1.94 + } 1.95 + 1.96 + return index; 1.97 +}