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openproject/app/assets/javascripts/jstoolbar/jstoolbar.js

379 lines
12 KiB

/* ***** 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 (only for gecko)
if (this.editor.addEventListener)
{
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');
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/**/
var h = document.createElement('div');
h.className = 'help'
h.innerHTML = this.help_link;
this.toolbar.appendChild(h);
// 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") {
// just makes it work in IE8 somehow
var helperRange = document.selection.createRange();
var bookmark = helperRange.getBookmark();
var origParent = helperRange.parentElement();
var moveStart = 0;
// we move the starting point of the selection to the last newline
// and track the number of movements
try {
while (helperRange.text[0] != "\n" && helperRange.text[0] != "\r") {
helperRange.moveStart("character", -1);
if (origParent != helperRange.parentElement()) {
throw "Outside of Textarea";
}
moveStart -= 1;
}
moveStart += 1;
} catch(err) {
if (err != "Outside of Textarea")
throw err;
}
var range = document.selection.createRange();
range.moveStart("character", moveStart);
if (range.text.match(/ $/))
range.moveEnd("character", -1);
sel = range.text;
} else if (typeof(this.textarea["setSelectionRange"]) != "undefined") {
start = this.textarea.selectionStart;
end = this.textarea.selectionEnd;
scrollPos = this.textarea.scrollTop;
// go to the start of the line
start = this.textarea.value.substring(0, start).replace(/[^\r\n]*$/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(/ $/)) {
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") {
range.text = subst;
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;
}
},
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(/ $/)) {
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") {
var range = document.selection.createRange().text = subst;
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);
};