mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-11-06 00:55:37 +00:00
95 lines
2.5 KiB
JavaScript
95 lines
2.5 KiB
JavaScript
/* This Source Code Form is subject to the terms of the Mozilla Public
|
|
* License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
|
|
|
|
"use strict";
|
|
|
|
this.EXPORTED_SYMBOLS = [
|
|
"SelectParentHelper"
|
|
];
|
|
|
|
let currentBrowser = null;
|
|
|
|
this.SelectParentHelper = {
|
|
populate: function(popup, items, selectedIndex) {
|
|
// Clear the current contents of the popup
|
|
popup.textContent = "";
|
|
populateChildren(popup, items, selectedIndex);
|
|
},
|
|
|
|
open: function(browser, popup, rect) {
|
|
currentBrowser = browser;
|
|
this._registerListeners(popup);
|
|
popup.hidden = false;
|
|
|
|
let {x, y} = browser.mapScreenCoordinatesFromContent(rect.left, rect.top + rect.height);
|
|
popup.openPopupAtScreen(x, y);
|
|
},
|
|
|
|
hide: function(popup) {
|
|
popup.hidePopup();
|
|
},
|
|
|
|
handleEvent: function(event) {
|
|
let popup = event.currentTarget;
|
|
|
|
switch (event.type) {
|
|
case "command":
|
|
if (event.target.hasAttribute("value")) {
|
|
currentBrowser.messageManager.sendAsyncMessage("Forms:SelectDropDownItem", {
|
|
value: event.target.value
|
|
});
|
|
}
|
|
popup.hidePopup();
|
|
break;
|
|
|
|
case "popuphidden":
|
|
currentBrowser.messageManager.sendAsyncMessage("Forms:DismissedDropDown", {});
|
|
currentBrowser = null;
|
|
this._unregisterListeners(popup);
|
|
break;
|
|
}
|
|
},
|
|
|
|
_registerListeners: function(popup) {
|
|
popup.addEventListener("command", this);
|
|
popup.addEventListener("popuphidden", this);
|
|
},
|
|
|
|
_unregisterListeners: function(popup) {
|
|
popup.removeEventListener("command", this);
|
|
popup.removeEventListener("popuphidden", this);
|
|
},
|
|
|
|
};
|
|
|
|
function populateChildren(element, options, selectedIndex, startIndex = 0, isGroup = false) {
|
|
let index = startIndex;
|
|
|
|
for (let option of options) {
|
|
let item = element.ownerDocument.createElement("menuitem");
|
|
item.setAttribute("label", option.textContent);
|
|
item.setAttribute("type", "radio");
|
|
|
|
if (index == selectedIndex) {
|
|
item.setAttribute("checked", "true");
|
|
}
|
|
|
|
element.appendChild(item);
|
|
|
|
if (option.children.length > 0) {
|
|
item.classList.add("contentSelectDropdown-optgroup");
|
|
item.setAttribute("disabled", "true");
|
|
index = populateChildren(element, option.children, selectedIndex, index, true);
|
|
} else {
|
|
item.setAttribute("value", index++);
|
|
|
|
if (isGroup) {
|
|
item.classList.add("contentSelectDropdown-ingroup")
|
|
}
|
|
}
|
|
}
|
|
|
|
return index;
|
|
}
|