မီဒီယာဝီကီ:Gadget-Edittools.js

// <nowiki>
// implicit dependencies: mediawiki.cookie, jquery.textselection

(function charInsertIIFE () {

function CharInsertCookie(key) {
	this.key = key;
}

CharInsertCookie.prototype = {
	get: function () {
		return parseInt(mw.cookie.get(this.key), 10) || 0;
	},
	set: function (value) {
		if (typeof value === 'number')
			value = value.toString(10);
		
		if (!(typeof value === 'string' && !isNaN(parseInt(value, 10))))
			throw new TypeError("Expected string or number");
		
		return mw.cookie.set(this.key, value);
	},
};

var charInsertCookie = new CharInsertCookie('edittoolscharsubset');

/* ===applyCharinserts=== */
/* handle <span class="charinsert"> like <charinsert> */

function applyCharinserts() {
	var textbox = $('#wpTextbox1');
	
	textbox.encapsulate = function (left, right) {
		return this.textSelection(
			'encapsulateSelection', {
				pre: left.replace(/^ */, '')
					.replace(/\u0640(.)/g, '$1'), // remove ARABIC TATWEEL before Arabic diacritic
				peri: '',
				post: right
			}
		);
	};
	
	// Must set insertArgs in the element for which this is an event handler.
	function clickFunction () {
		textbox.encapsulate.apply(textbox, this.insertArgs);
		return false;
	}
	
	function getInsertArg(string, start, end) {
		string = string.substring(start, end);
		return string !== ''
			? string.replace(/\x22/g, '&quot;').replace(/\x27/g, "\\'").replace(/\x26nbsp;/g, ' ')
			: string;
	}
	
	function makeInsertArgs(string) {
		var index = string.indexOf('+');
		if (index === -1)
			index = string.length;
		var left = getInsertArg(string, 0, index);
		var right = getInsertArg(string, index + 1);
		return [ left, right ];
	}
	
	function makeCharInserter(string) {
		var charInserter = document.createElement('a');
		charInserter.onclick = clickFunction;
		charInserter.href = '#';
		charInserter.classList.add("charinserter");
		
		var insertArgs = makeInsertArgs(string);
		charInserter.insertArgs = insertArgs;
		charInserter.appendChild(document.createTextNode(insertArgs.join('')));
		
		return charInserter;
	}

	function charInsertify(parent) {
		if (parent.charInsertified)
			return;
		
		parent.charInsertified = true;
		
		// Go through all child nodes of parent.
		for (var childNode = parent.firstChild;
				childNode !== null;
				childNode = childNode.nextSibling) {
			if (childNode.nodeType === 1) { // Element node
				charInsertify(childNode);
			} else if (childNode.nodeType === 3) { // Text node
				// Split text content on whitespace characters (except no-break space);
				var strings = childNode.nodeValue
					// Replace literal no-break space with HTML character reference.
					.replace(/\xA0/g, '\x26nbsp;')
					.split(/\s/g);
				
				var addedNew = false;

				for (var i = 0; i < strings.length; ++i) {
					if (strings[i] !== '') {
						if (i > 0)
							parent.insertBefore(document.createTextNode(' '), childNode);
						
						parent.insertBefore(makeCharInserter(strings[i]), childNode);
						
						addedNew = true;
					}
				}
				
				if (addedNew)
					parent.removeChild(childNode);
			}
		}
	}
	
	var charInsertSpans = document.querySelectorAll('#editpage-specialchars .charinsert');
	
	Array.prototype.forEach.call(charInsertSpans, charInsertify);
}

/* ===addCharSubsetMenu=== */
/* add menu for selecting subsets of secial characters */
function addCharSubsetMenu() {
	var edittools = $('#editpage-specialchars');
	if (edittools.length === 0) return;

	var menu = $('<select>')
				.attr("id", 'charSubsetControl').css("display", "inline")
				.on("change", function() {
					chooseCharSubset($(this).val());
				});

	var sections = edittools.find('p');
	if (sections.length === 0) return;
	
	sections.each(function(index){
		$('<option>')
			.text(decodeURIComponent(
				($(this).attr("id") || '').replace(/^edittools-/, '')
				.replace(/\.([0-9A-F][0-9A-F])/g, '%$1')
				.replace(/_/g, '%20')))
			.val(index)
			.appendTo(menu);
	});

	/* default subset from cookie */
	var sectionIndex = charInsertCookie.get();

	/* update dropdown control to value of cookie */
	menu.val(sectionIndex);

	/* display the subset indicated by the cookie */
	chooseCharSubset(sectionIndex);

	edittools.prepend(menu);
}

/* ===chooseCharSubsetMenu=== */

/* select subsection of special characters */
function chooseCharSubset(sectionIndex) {
	var sections = $('#editpage-specialchars').find('p');
	for (var i = 0; i < sections.length; i++) {
		var style = sections[i].style;
		style.display = i == sectionIndex ? 'inline' : 'none';
	}
	
	charInsertCookie.set(sectionIndex);
}

$(function() {
	var action = mw.config.get('wgAction');
	if (window.testNewEditJs || !(action === 'edit' || action === 'submit' 
			|| $('#editpage-specialchars').length > 0))
		return;
	
	if (!window.doNotUseDefaultEditTools) // [[User:Conrad.Irwin/edittools.js]]
		addCharSubsetMenu();
	
	applyCharinserts();
});

})();

// </nowiki>