SoundSoftware Code Site

/* ***** BEGIN LICENSE BLOCK *****

 * This file is part of DotClear.

 * Copyright (c) 2005 Nicolas Martin & Olivier Meunier and contributors. All

 * rights reserved.

 *

 * DotClear is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License as published by

 * the Free Software Foundation; either version 2 of the License, or

 * (at your option) any later version.

 *

 * DotClear is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with DotClear; if not, write to the Free Software

 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

 *

 * ***** END LICENSE BLOCK *****

*/

/* Modified by JP LANG for textile formatting */

function jsToolBar(textarea) {

	if (!document.createElement) { return; }

	if (!textarea) { return; }

	if ((typeof(document["selection"]) == "undefined")

	&& (typeof(textarea["setSelectionRange"]) == "undefined")) {

		return;

	}

	this.textarea = textarea;

	this.editor = document.createElement('div');

	this.editor.className = 'jstEditor';

	this.textarea.parentNode.insertBefore(this.editor,this.textarea);

	this.editor.appendChild(this.textarea);

	this.toolbar = document.createElement("div");

	this.toolbar.className = 'jstElements';

	this.editor.parentNode.insertBefore(this.toolbar,this.editor);

	// Dragable resizing

	if (this.editor.addEventListener && navigator.appVersion.match(/\bMSIE\b/))

	{

		this.handle = document.createElement('div');

		this.handle.className = 'jstHandle';

		var dragStart = this.resizeDragStart;

		var This = this;

		this.handle.addEventListener('mousedown',function(event) { dragStart.call(This,event); },false);

		// fix memory leak in Firefox (bug #241518)

		window.addEventListener('unload',function() {

				var del = This.handle.parentNode.removeChild(This.handle);

				delete(This.handle);

		},false);

		this.editor.parentNode.insertBefore(this.handle,this.editor.nextSibling);

	}

	this.context = null;

	this.toolNodes = {}; // lorsque la toolbar est dessinée , cet objet est garni

					// de raccourcis vers les éléments DOM correspondants aux outils.

}

function jsButton(title, fn, scope, className) {

    if(typeof jsToolBar.strings == 'undefined') {

      this.title = title || null;

    } else {

      this.title = jsToolBar.strings[title] || title || null;

    }

	this.fn = fn || function(){};

	this.scope = scope || null;

	this.className = className || null;

}

jsButton.prototype.draw = function() {

	if (!this.scope) return null;

	var button = document.createElement('button');

	button.setAttribute('type','button');

	button.tabIndex = 200;

	if (this.className) button.className = this.className;

	button.title = this.title;

	var span = document.createElement('span');

	span.appendChild(document.createTextNode(this.title));

	button.appendChild(span);

	if (this.icon != undefined) {

		button.style.backgroundImage = 'url('+this.icon+')';

	}

	if (typeof(this.fn) == 'function') {

		var This = this;

		button.onclick = function() { try { This.fn.apply(This.scope, arguments) } catch (e) {} return false; };

	}

	return button;

}

function jsSpace(id) {

	this.id = id || null;

	this.width = null;

}

jsSpace.prototype.draw = function() {

	var span = document.createElement('span');

	if (this.id) span.id = this.id;

	span.appendChild(document.createTextNode(String.fromCharCode(160)));

	span.className = 'jstSpacer';

	if (this.width) span.style.marginRight = this.width+'px';

	return span;

}

function jsCombo(title, options, scope, fn, className) {

	this.title = title || null;

	this.options = options || null;

	this.scope = scope || null;

	this.fn = fn || function(){};

	this.className = className || null;

}

jsCombo.prototype.draw = function() {

	if (!this.scope || !this.options) return null;

	var select = document.createElement('select');

	if (this.className) select.className = className;

	select.title = this.title;

	for (var o in this.options) {

		//var opt = this.options[o];

		var option = document.createElement('option');

		option.value = o;

		option.appendChild(document.createTextNode(this.options[o]));

		select.appendChild(option);

	}

	var This = this;

	select.onchange = function() {

		try {

			This.fn.call(This.scope, this.value);

		} catch (e) { alert(e); }

		return false;

	}

	return select;

}

jsToolBar.prototype = {

	base_url: '',

	mode: 'wiki',

	elements: {},

	help_link: '',

	getMode: function() {

		return this.mode;

	},

	setMode: function(mode) {

		this.mode = mode || 'wiki';

	},

	switchMode: function(mode) {

		mode = mode || 'wiki';

		this.draw(mode);

	},

	setHelpLink: function(link) {

		this.help_link = link;

	},

	button: function(toolName) {

		var tool = this.elements[toolName];

		if (typeof tool.fn[this.mode] != 'function') return null;

		var b = new jsButton(tool.title, tool.fn[this.mode], this, 'jstb_'+toolName);

		if (tool.icon != undefined) b.icon = tool.icon;

		return b;

	},

	space: function(toolName) {

		var tool = new jsSpace(toolName)

		if (this.elements[toolName].width !== undefined)

			tool.width = this.elements[toolName].width;

		return tool;

	},

	combo: function(toolName) {

		var tool = this.elements[toolName];

		var length = tool[this.mode].list.length;

		if (typeof tool[this.mode].fn != 'function' || length == 0) {

			return null;

		} else {

			var options = {};

			for (var i=0; i < length; i++) {

				var opt = tool[this.mode].list[i];

				options[opt] = tool.options[opt];

			}

			return new jsCombo(tool.title, options, this, tool[this.mode].fn);

		}

	},

	draw: function(mode) {

		this.setMode(mode);

		// Empty toolbar

		while (this.toolbar.hasChildNodes()) {

			this.toolbar.removeChild(this.toolbar.firstChild)

		}

		this.toolNodes = {}; // vide les raccourcis DOM/**/

		// Draw toolbar elements

		var b, tool, newTool;

		for (var i in this.elements) {

			b = this.elements[i];

			var disabled =

			b.type == undefined || b.type == ''

			|| (b.disabled != undefined && b.disabled)

			|| (b.context != undefined && b.context != null && b.context != this.context);

			if (!disabled && typeof this[b.type] == 'function') {

				tool = this[b.type](i);

				if (tool) newTool = tool.draw();

				if (newTool) {

					this.toolNodes[i] = newTool; //mémorise l'accès DOM pour usage éventuel ultérieur

					this.toolbar.appendChild(newTool);

				}

			}

		}

	},

	singleTag: function(stag,etag) {

		stag = stag || null;

		etag = etag || stag;

		if (!stag || !etag) { return; }

		this.encloseSelection(stag,etag);

	},

	encloseLineSelection: function(prefix, suffix, fn) {

		this.textarea.focus();

		prefix = prefix || '';

		suffix = suffix || '';

		var start, end, sel, scrollPos, subst, res;

		if (typeof(document["selection"]) != "undefined") {

			sel = document.selection.createRange().text;

		} else if (typeof(this.textarea["setSelectionRange"]) != "undefined") {

			start = this.textarea.selectionStart;

			end = this.textarea.selectionEnd;

			scrollPos = this.textarea.scrollTop;

			// go to the start of the line

			start = this.textarea.value.substring(0, start).replace(/[^\r\n]*$/g,'').length;

			// go to the end of the line

            end = this.textarea.value.length - this.textarea.value.substring(end, this.textarea.value.length).replace(/^[^\r\n]*/, '').length;

			sel = this.textarea.value.substring(start, end);

		}

		if (sel.match(/ $/)) { // exclude ending space char, if any

			sel = sel.substring(0, sel.length - 1);

			suffix = suffix + " ";

		}

		if (typeof(fn) == 'function') {

			res = (sel) ? fn.call(this,sel) : fn('');

		} else {

			res = (sel) ? sel : '';

		}

		subst = prefix + res + suffix;

		if (typeof(document["selection"]) != "undefined") {

			document.selection.createRange().text = subst;

			var range = this.textarea.createTextRange();

			range.collapse(false);

			range.move('character', -suffix.length);

			range.select();

		} else if (typeof(this.textarea["setSelectionRange"]) != "undefined") {

			this.textarea.value = this.textarea.value.substring(0, start) + subst +

			this.textarea.value.substring(end);

			if (sel) {

				this.textarea.setSelectionRange(start + subst.length, start + subst.length);

			} else {

				this.textarea.setSelectionRange(start + prefix.length, start + prefix.length);

			}

			this.textarea.scrollTop = scrollPos;

		}

	},

	encloseSelection: function(prefix, suffix, fn) {

		this.textarea.focus();

		prefix = prefix || '';

		suffix = suffix || '';

		var start, end, sel, scrollPos, subst, res;

		if (typeof(document["selection"]) != "undefined") {

			sel = document.selection.createRange().text;

		} else if (typeof(this.textarea["setSelectionRange"]) != "undefined") {

			start = this.textarea.selectionStart;

			end = this.textarea.selectionEnd;

			scrollPos = this.textarea.scrollTop;

			sel = this.textarea.value.substring(start, end);

		}

		if (sel.match(/ $/)) { // exclude ending space char, if any

			sel = sel.substring(0, sel.length - 1);

			suffix = suffix + " ";

		}

		if (typeof(fn) == 'function') {

			res = (sel) ? fn.call(this,sel) : fn('');

		} else {

			res = (sel) ? sel : '';

		}

		subst = prefix + res + suffix;

		if (typeof(document["selection"]) != "undefined") {

			document.selection.createRange().text = subst;

			var range = this.textarea.createTextRange();

			range.collapse(false);

			range.move('character', -suffix.length);

			range.select();

//			this.textarea.caretPos -= suffix.length;

		} else if (typeof(this.textarea["setSelectionRange"]) != "undefined") {

			this.textarea.value = this.textarea.value.substring(0, start) + subst +

			this.textarea.value.substring(end);

			if (sel) {

				this.textarea.setSelectionRange(start + subst.length, start + subst.length);

			} else {

				this.textarea.setSelectionRange(start + prefix.length, start + prefix.length);

			}

			this.textarea.scrollTop = scrollPos;

		}

	},

	stripBaseURL: function(url) {

		if (this.base_url != '') {

			var pos = url.indexOf(this.base_url);

			if (pos == 0) {

				url = url.substr(this.base_url.length);

			}

		}

		return url;

	}

};

/** Resizer

-------------------------------------------------------- */

jsToolBar.prototype.resizeSetStartH = function() {

	this.dragStartH = this.textarea.offsetHeight + 0;

};

jsToolBar.prototype.resizeDragStart = function(event) {

	var This = this;

	this.dragStartY = event.clientY;

	this.resizeSetStartH();

	document.addEventListener('mousemove', this.dragMoveHdlr=function(event){This.resizeDragMove(event);}, false);

	document.addEventListener('mouseup', this.dragStopHdlr=function(event){This.resizeDragStop(event);}, false);

};

jsToolBar.prototype.resizeDragMove = function(event) {

	this.textarea.style.height = (this.dragStartH+event.clientY-this.dragStartY)+'px';

};

jsToolBar.prototype.resizeDragStop = function(event) {

	document.removeEventListener('mousemove', this.dragMoveHdlr, false);

	document.removeEventListener('mouseup', this.dragStopHdlr, false);

};