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PC World Komputer 2010 April
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PCWorld0410.iso
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pluginy Firefox
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748
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748.xpi
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content
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manage.js
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2010-02-11
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8KB
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268 lines
var config = GM_getConfig();
window.addEventListener("load", function(ev) {
loadControls();
if (!config.scripts.length == 0) {
populateChooser();
chooseScript(0);
}
config.addObserver(observer);
}, false);
window.addEventListener("unload", function(ev) {
pagesControl.clear();
config.removeObserver(observer);
}, false);
var observer = {
notifyEvent: function(script, event, data) {
var node = null;
for (var i = 0; node = listbox.childNodes[i]; i++)
if (node.script == script)
break;
switch (event) {
case "edit-enabled":
node.style.color = data ? "" : "gray";
if (script == selectedScript)
chkEnabled.checked = data;
break;
case "install":
addListitem(script, -1);
break;
case "uninstall":
var selected = listbox.selectedItem == node;
listbox.removeChild(node);
if (selected && listbox.childNodes.length > 0) {
chooseScript(Math.max(Math.min(listbox.selectedIndex, listbox.childNodes.length - 1), 0));
}
break;
case "move":
listbox.removeChild(node);
listbox.insertBefore(node, listbox.childNodes[data]);
// then re-select the dropped script
listbox.selectedIndex = data;
break;
}
// fix the listbox indexes
for (var i = 0, n = null; n = listbox.childNodes[i]; i++) n.index=i;
}
};
var listbox, header, description, chkEnabled, btnEdit, btnUninstall;
var selectedScript;
var pagesControl;
function loadControls() {
listbox = document.getElementById("lstScripts");
header = document.getElementById("ctlHeader");
description = document.getElementById("ctlDescription");
btnEdit = document.getElementById("btnEdit");
btnUninstall = document.getElementById("btnUninstall");
pagesControl = new PagesControl(document.getElementById("pages-control"));
chkEnabled = document.getElementById("chkEnabled");
listbox.addEventListener("select", function() { updateDetails(); }, false);
btnEdit.addEventListener("command", function() { handleEditButton(); }, false);
btnUninstall.addEventListener("command", function() { handleUninstallButton(); }, false);
chkEnabled.addEventListener("command", function() {
if (selectedScript)
selectedScript.enabled = chkEnabled.checked;
}, false);
}
function updateDetails() {
if (listbox.selectedCount == 0) {
selectedScript = null;
header.textContent = " ";
description.textContent = " ";
chkEnabled.checked = true;
pagesControl.clear();
} else {
selectedScript = listbox.getSelectedItem(0).script;
// make sure one word isn't too long to fit ... a too-long word
// will bump the interface out wider than the window
var wordLen = 50;
var desc = selectedScript.description.split(/\s+/);
for (var i = 0; i < desc.length; i++) {
if (desc[i].length > wordLen) {
for (var j = desc[i].length; j > 0; j -= wordLen) {
desc[i] = desc[i].substr(0,j) + "\u200B" + desc[i].substr(j);
}
}
}
desc = desc.join(" ");
header.textContent = selectedScript.name;
description.textContent = desc;
chkEnabled.checked = selectedScript.enabled;
pagesControl.populate(selectedScript);
}
}
function handleEditButton() {
openInEditor(selectedScript);
}
function handleUninstallButton() {
var uninstallPrefs = document.getElementById("chkUninstallPrefs").checked;
config.uninstall(selectedScript, uninstallPrefs);
}
function populateChooser() {
var scripts = config.scripts;
for (var i = 0, script = null; (script = scripts[i]); i++)
addListitem(script, i);
}
function addListitem(script, i) {
var listitem = document.createElement("listitem");
listitem.setAttribute("label", script.name);
listitem.setAttribute("crop", "end");
listitem.script = script;
listitem.index = i;
if (!script.enabled) {
listitem.style.color = "gray";
}
listbox.appendChild(listitem);
}
function chooseScript(index) {
listbox.selectedIndex = index;
listbox.focus();
}
// allow reordering scripts with keyboard (alt- up and down)
function listboxKeypress(event) {
if (0 == listbox.selectedCount) return;
if (!event.altKey) return;
var index = listbox.selectedIndex;
var move = null;
if (KeyEvent.DOM_VK_UP == event.keyCode)
move = config.move(listbox.selectedItem.script, -1);
else if (KeyEvent.DOM_VK_DOWN == event.keyCode)
move = config.move(listbox.selectedItem.script, 1);
}
// allow reordering scripts with drag-and-drop
var dndObserver = {
lastFeedbackIndex: null,
getSupportedFlavours: function () {
var flavours = new FlavourSet();
flavours.appendFlavour("text/unicode");
return flavours;
},
onDragStart: function (event, transferData, action) {
if ("listitem" != event.target.tagName ) return false;
transferData.data = new TransferData();
transferData.data.addDataForFlavour("text/unicode", event.target.index);
return true;
},
onDragOver: function (event, flavour, session) {
if (listbox.selectedIndex == event.target.index) {
this.clearFeedback();
return false;
}
return this.setFeedback(event);
},
onDrop: function (event, dropdata, session) {
// clean up the feedback
this.lastFeedbackIndex = null;
this.clearFeedback();
// figure out how to move
var newIndex = this.findNewIndex(event);
if (null === newIndex) return;
var index = parseInt(dropdata.data);
if (newIndex > index) newIndex--;
// do the move
var move = config.move(config.scripts[index], config.scripts[newIndex]);
},
//////////////////////////////////////////////////////////////////////////////
setFeedback: function(event) {
var newIndex = this.findNewIndex(event);
// don't do anything if we haven't changed
if (newIndex === this.lastFeedbackIndex) return false; // NOTE: possible incongruent logic
this.lastFeedbackIndex = newIndex;
// clear any previous feedback
this.clearFeedback();
// and set the current feedback
if (null === newIndex) {
return false;
} else if (listbox.selectedIndex == newIndex) {
return false;
} else {
if (0 == newIndex) {
listbox.firstChild.setAttribute("dragover", "top");
} else if (newIndex >= listbox.childNodes.length) {
listbox.lastChild.setAttribute("dragover", "bottom");
} else {
listbox.childNodes[newIndex - 1].setAttribute("dragover", "bottom");
}
}
return true;
},
clearFeedback: function() {
var box = document.getElementById("lstScripts");
for (var i = 0, el; el = box.childNodes[i]; i++) {
el.removeAttribute("dragover");
}
},
findNewIndex: function(event) {
var target = event.target;
// not in the list box? forget it!
if (listbox != target && listbox != target.parentNode) return null;
var targetBox = target.boxObject
.QueryInterface(Components.interfaces.nsIBoxObject);
if (listbox == target) {
// here, we are hovering over the listbox, not a particular listitem
// check if we are very near the top (y + 4), return zero, else return end
if (event.clientY < targetBox.y + 4) {
return 0;
} else {
return listbox.childNodes.length;
}
} else {
var targetMid = targetBox.y + (targetBox.height / 2);
if (event.clientY >= targetMid) {
return target.index + 1;
} else {
return target.index;
}
}
// should never get here, but in case
return null;
}
};