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/* ===================================================
* bootstrap-markdown.js v2.3.1
* http://github.com/toopay/bootstrap-markdown
* ===================================================
* Copyright 2013 Taufan Aditya
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* ========================================================== */
!function ($) {
"use strict"; // jshint ;_;
/* MARKDOWN CLASS DEFINITION
* ========================== */
var Markdown = function (element, options) {
// Class Properties
this.$ns = 'bootstrap-markdown'
this.$element = $(element)
this.$editable = {el:null, type:null,attrKeys:[], attrValues:[], content:null}
this.$options = $.extend(true, {}, $.fn.markdown.defaults, options)
this.$oldContent = null
this.$isPreview = false
this.$editor = null
this.$textarea = null
this.$handler = []
this.$callback = []
this.$nextTab = []
this.showEditor()
}
Markdown.prototype = {
constructor: Markdown
, __alterButtons: function(name,alter) {
var handler = this.$handler, isAll = (name == 'all'),that = this
$.each(handler,function(k,v) {
var halt = true
if (isAll) {
halt = false
} else {
halt = v.indexOf(name) < 0
}
if (halt == false) {
alter(that.$editor.find('button[data-handler="'+v+'"]'))
}
})
}
, __buildButtons: function(buttonsArray, container) {
var i,
ns = this.$ns,
handler = this.$handler,
callback = this.$callback
for (i=0;i<buttonsArray.length;i++) {
// Build each group container
var y, btnGroups = buttonsArray[i]
for (y=0;y<btnGroups.length;y++) {
// Build each button group
var z,
buttons = btnGroups[y].data,
btnGroupContainer = $('<div/>', {
'class': 'btn-group'
})
for (z=0;z<buttons.length;z++) {
var button = buttons[z],
buttonToggle = '',
buttonHandler = ns+'-'+button.name,
buttonIcon = button.icon instanceof Object ? button.icon[this.$options.iconlibrary] : button.icon,
btnText = button.btnText ? button.btnText : '',
btnClass = button.btnClass ? button.btnClass : 'btn',
tabIndex = button.tabIndex ? button.tabIndex : '-1'
if (button.toggle == true) {
buttonToggle = ' data-toggle="button"'
}
// Attach the button object
btnGroupContainer.append('<button type="button" class="'
+btnClass
+' btn-default btn-sm" title="'
+button.title
+'" tabindex="'
+tabIndex
+'" data-provider="'
+ns
+'" data-handler="'
+buttonHandler
+'"'
+buttonToggle
+'><span class="'
+buttonIcon
+'"></span> '
+btnText
+'</button>')
// Register handler and callback
handler.push(buttonHandler)
callback.push(button.callback)
}
// Attach the button group into container dom
container.append(btnGroupContainer)
}
}
return container
}
, __setListener: function() {
// Set size and resizable Properties
var hasRows = typeof this.$textarea.attr('rows') != 'undefined',
maxRows = this.$textarea.val().split("\n").length > 5 ? this.$textarea.val().split("\n").length : '5',
rowsVal = hasRows ? this.$textarea.attr('rows') : maxRows
this.$textarea.attr('rows',rowsVal)
this.$textarea.css('resize','none')
this.$textarea
.on('focus', $.proxy(this.focus, this))
.on('keypress', $.proxy(this.keypress, this))
.on('keyup', $.proxy(this.keyup, this))
if (this.eventSupported('keydown')) {
this.$textarea.on('keydown', $.proxy(this.keydown, this))
}
// Re-attach markdown data
this.$textarea.data('markdown',this)
}
, __handle: function(e) {
var target = $(e.currentTarget),
handler = this.$handler,
callback = this.$callback,
handlerName = target.attr('data-handler'),
callbackIndex = handler.indexOf(handlerName),
callbackHandler = callback[callbackIndex]
// Trigger the focusin
$(e.currentTarget).focus()
callbackHandler(this)
// Unless it was the save handler,
// focusin the textarea
if (handlerName.indexOf('cmdSave') < 0) {
this.$textarea.focus()
}
e.preventDefault()
}
, showEditor: function() {
var instance = this,
textarea,
ns = this.$ns,
container = this.$element,
originalHeigth = container.css('height'),
originalWidth = container.css('width'),
editable = this.$editable,
handler = this.$handler,
callback = this.$callback,
options = this.$options,
editor = $( '<div/>', {
'class': 'md-editor',
click: function() {
instance.focus()
}
})
// Prepare the editor
if (this.$editor == null) {
// Create the panel
var editorHeader = $('<div/>', {
'class': 'md-header btn-toolbar'
})
// Build the main buttons
if (options.buttons.length > 0) {
editorHeader = this.__buildButtons(options.buttons, editorHeader)
}
// Build the additional buttons
if (options.additionalButtons.length > 0) {
editorHeader = this.__buildButtons(options.additionalButtons, editorHeader)
}
editor.append(editorHeader)
// Wrap the textarea
if (container.is('textarea')) {
container.before(editor)
textarea = container
textarea.addClass('md-input')
editor.append(textarea)
} else {
var rawContent = (typeof toMarkdown == 'function') ? toMarkdown(container.html()) : container.html(),
currentContent = $.trim(rawContent)
// This is some arbitrary content that could be edited
textarea = $('<textarea/>', {
'class': 'md-input',
'val' : currentContent
})
editor.append(textarea)
// Save the editable
editable.el = container
editable.type = container.prop('tagName').toLowerCase()
editable.content = container.html()
$(container[0].attributes).each(function(){
editable.attrKeys.push(this.nodeName)
editable.attrValues.push(this.nodeValue)
})
// Set editor to blocked the original container
container.replaceWith(editor)
}
// Create the footer if savable
if (options.savable) {
var editorFooter = $('<div/>', {
'class': 'md-footer'
}),
saveHandler = 'cmdSave'
// Register handler and callback
handler.push(saveHandler)
callback.push(options.onSave)
editorFooter.append('<button class="btn btn-success" data-provider="'
+ns
+'" data-handler="'
+saveHandler
+'"><i class="icon icon-white icon-ok"></i> Save</button>')
editor.append(editorFooter)
}
// Set width/height
$.each(['height','width'],function(k,attr){
if (options[attr] != 'inherit') {
if (jQuery.isNumeric(options[attr])) {
editor.css(attr,options[attr]+'px')
} else {
editor.addClass(options[attr])
}
}
})
// Reference
this.$editor = editor
this.$textarea = textarea
this.$editable = editable
this.$oldContent = this.getContent()
this.__setListener()
// Set editor attributes, data short-hand API and listener
this.$editor.attr('id',(new Date).getTime())
this.$editor.on('click', '[data-provider="bootstrap-markdown"]', $.proxy(this.__handle, this))
} else {
this.$editor.show()
}
if (options.autofocus) {
this.$textarea.focus()
this.$editor.addClass('active')
}
// Trigger the onShow hook
options.onShow(this)
return this
}
, showPreview: function() {
var options = this.$options,
callbackContent = options.onPreview(this), // Try to get the content from callback
container = this.$textarea,
afterContainer = container.next(),
replacementContainer = $('<div/>',{'class':'md-preview','data-provider':'markdown-preview'}),
content
// Give flag that tell the editor enter preview mode
this.$isPreview = true
// Disable all buttons
this.disableButtons('all').enableButtons('cmdPreview')
if (typeof callbackContent == 'string') {
// Set the content based by callback content
content = callbackContent
} else {
// Set the content
var val = container.val();
if(typeof markdown == 'object') {
content = markdown.toHTML(val);
}else if(typeof marked == 'function') {
content = marked(val);
} else {
content = val;
}
}
// Build preview element
replacementContainer.html(content)
if (afterContainer && afterContainer.attr('class') == 'md-footer') {
// If there is footer element, insert the preview container before it
replacementContainer.insertBefore(afterContainer)
} else {
// Otherwise, just append it after textarea
container.parent().append(replacementContainer)
}
// Hide the last-active textarea
container.hide()
// Attach the editor instances
replacementContainer.data('markdown',this)
return this
}
, hidePreview: function() {
// Give flag that tell the editor quit preview mode
this.$isPreview = false
// Obtain the preview container
var container = this.$editor.find('div[data-provider="markdown-preview"]')
// Remove the preview container
container.remove()
// Enable all buttons
this.enableButtons('all')
// Back to the editor
this.$textarea.show()
this.__setListener()
return this
}
, isDirty: function() {
return this.$oldContent != this.getContent()
}
, getContent: function() {
return this.$textarea.val()
}
, setContent: function(content) {
this.$textarea.val(content)
return this
}
, findSelection: function(chunk) {
var content = this.getContent(), startChunkPosition
if (startChunkPosition = content.indexOf(chunk), startChunkPosition >= 0 && chunk.length > 0) {
var oldSelection = this.getSelection(), selection
this.setSelection(startChunkPosition,startChunkPosition+chunk.length)
selection = this.getSelection()
this.setSelection(oldSelection.start,oldSelection.end)
return selection
} else {
return null
}
}
, getSelection: function() {
var e = this.$textarea[0]
return (
('selectionStart' in e && function() {
var l = e.selectionEnd - e.selectionStart
return { start: e.selectionStart, end: e.selectionEnd, length: l, text: e.value.substr(e.selectionStart, l) }
}) ||
/* browser not supported */
function() {
return null
}
)()
}
, setSelection: function(start,end) {
var e = this.$textarea[0]
return (
('selectionStart' in e && function() {
e.selectionStart = start
e.selectionEnd = end
return
}) ||
/* browser not supported */
function() {
return null
}
)()
}
, replaceSelection: function(text) {
var e = this.$textarea[0]
return (
('selectionStart' in e && function() {
e.value = e.value.substr(0, e.selectionStart) + text + e.value.substr(e.selectionEnd, e.value.length)
// Set cursor to the last replacement end
e.selectionStart = e.value.length
return this
}) ||
/* browser not supported */
function() {
e.value += text
return jQuery(e)
}
)()
}
, getNextTab: function() {
// Shift the nextTab
if (this.$nextTab.length == 0) {
return null
} else {
var nextTab, tab = this.$nextTab.shift()
if (typeof tab == 'function') {
nextTab = tab()
} else if (typeof tab == 'object' && tab.length > 0) {
nextTab = tab
}
return nextTab
}
}
, setNextTab: function(start,end) {
// Push new selection into nextTab collections
if (typeof start == 'string') {
var that = this
this.$nextTab.push(function(){
return that.findSelection(start)
})
} else if (typeof start == 'numeric' && typeof end == 'numeric') {
var oldSelection = this.getSelection()
this.setSelection(start,end)
this.$nextTab.push(this.getSelection())
this.setSelection(oldSelection.start,oldSelection.end)
}
return
}
, enableButtons: function(name) {
var alter = function (el) {
el.removeAttr('disabled')
}
this.__alterButtons(name,alter)
return this
}
, disableButtons: function(name) {
var alter = function (el) {
el.attr('disabled','disabled')
}
this.__alterButtons(name,alter)
return this
}
, eventSupported: function(eventName) {
var isSupported = eventName in this.$element
if (!isSupported) {
this.$element.setAttribute(eventName, 'return;')
isSupported = typeof this.$element[eventName] === 'function'
}
return isSupported
}
, keydown: function (e) {
this.suppressKeyPressRepeat = ~$.inArray(e.keyCode, [40,38,9,13,27])
this.keyup(e)
}
, keypress: function (e) {
if (this.suppressKeyPressRepeat) return
this.keyup(e)
}
, keyup: function (e) {
var blocked = false
switch(e.keyCode) {
case 40: // down arrow
case 38: // up arrow
case 16: // shift
case 17: // ctrl
case 18: // alt
break
case 9: // tab
var nextTab
if (nextTab = this.getNextTab(),nextTab != null) {
// Get the nextTab if exists
var that = this
setTimeout(function(){
that.setSelection(nextTab.start,nextTab.end)
},500)
blocked = true
} else {
// The next tab memory contains nothing...
// check the cursor position to determine tab action
var cursor = this.getSelection()
if (cursor.start == cursor.end && cursor.end == this.getContent().length) {
// The cursor already reach the end of the content
blocked = false
} else {
// Put the cursor to the end
this.setSelection(this.getContent().length,this.getContent().length)
blocked = true
}
}
break
case 13: // enter
case 27: // escape
blocked = false
break
default:
blocked = false
}
if (blocked) {
e.stopPropagation()
e.preventDefault()
}
}
, focus: function (e) {
var options = this.$options,
isHideable = options.hideable,
editor = this.$editor
editor.addClass('active')
// Blur other markdown(s)
$(document).find('.md-editor').each(function(){
if ($(this).attr('id') != editor.attr('id')) {
var attachedMarkdown
if (attachedMarkdown = $(this).find('textarea').data('markdown'),
attachedMarkdown == null) {
attachedMarkdown = $(this).find('div[data-provider="markdown-preview"]').data('markdown')
}
if (attachedMarkdown) {
attachedMarkdown.blur()
}
}
})
// Trigger the onFocus hook
options.onFocus(this);
return this
}
, blur: function (e) {
var options = this.$options,
isHideable = options.hideable,
editor = this.$editor,
editable = this.$editable
if (editor.hasClass('active') || this.$element.parent().length == 0) {
editor.removeClass('active')
if (isHideable) {
// Check for editable elements
if (editable.el != null) {
// Build the original element
var oldElement = $('<'+editable.type+'/>'),
content = this.getContent(),
currentContent = (typeof markdown == 'object') ? markdown.toHTML(content) : content
$(editable.attrKeys).each(function(k,v) {
oldElement.attr(editable.attrKeys[k],editable.attrValues[k])
})
// Get the editor content
oldElement.html(currentContent)
editor.replaceWith(oldElement)
} else {
editor.hide()
}
}
// Trigger the onBlur hook
options.onBlur(this)
}
return this
}
}
/* MARKDOWN PLUGIN DEFINITION
* ========================== */
var old = $.fn.markdown
$.fn.markdown = function (option) {
return this.each(function () {
var $this = $(this)
, data = $this.data('markdown')
, options = typeof option == 'object' && option
if (!data) $this.data('markdown', (data = new Markdown(this, options)))
})
}
$.fn.markdown.defaults = {
/* Editor Properties */
autofocus: false,
hideable: false,
savable:false,
width: 'inherit',
height: 'inherit',
iconlibrary: 'glyph',
/* Buttons Properties */
buttons: [
[{
name: 'groupFont',
data: [{
name: 'cmdBold',
title: 'Bold',
icon: { glyph: 'glyphicon glyphicon-bold', fa: 'fa fa-bold' },
callback: function(e){
// Give/remove ** surround the selection
var chunk, cursor, selected = e.getSelection(), content = e.getContent()
if (selected.length == 0) {
// Give extra word
chunk = 'strong text'
} else {
chunk = selected.text
}
// transform selection and set the cursor into chunked text
if (content.substr(selected.start-2,2) == '**'
&& content.substr(selected.end,2) == '**' ) {
e.setSelection(selected.start-2,selected.end+2)
e.replaceSelection(chunk)
cursor = selected.start-2
} else {
e.replaceSelection('**'+chunk+'**')
cursor = selected.start+2
}
// Set the cursor
e.setSelection(cursor,cursor+chunk.length)
}
},{
name: 'cmdItalic',
title: 'Italic',
icon: { glyph: 'glyphicon glyphicon-italic', fa: 'fa fa-italic' },
callback: function(e){
// Give/remove * surround the selection
var chunk, cursor, selected = e.getSelection(), content = e.getContent()
if (selected.length == 0) {
// Give extra word
chunk = 'emphasized text'
} else {
chunk = selected.text
}
// transform selection and set the cursor into chunked text
if (content.substr(selected.start-1,1) == '*'
&& content.substr(selected.end,1) == '*' ) {
e.setSelection(selected.start-1,selected.end+1)
e.replaceSelection(chunk)
cursor = selected.start-1
} else {
e.replaceSelection('*'+chunk+'*')
cursor = selected.start+1
}
// Set the cursor
e.setSelection(cursor,cursor+chunk.length)
}
},{
name: 'cmdHeading',
title: 'Heading',
icon: { glyph: 'glyphicon glyphicon-header', fa: 'fa fa-font' },
callback: function(e){
// Append/remove ### surround the selection
var chunk, cursor, selected = e.getSelection(), content = e.getContent(), pointer, prevChar
if (selected.length == 0) {
// Give extra word
chunk = 'heading text'
} else {
chunk = selected.text + '\n';
}
// transform selection and set the cursor into chunked text
if ((pointer = 4, content.substr(selected.start-pointer,pointer) == '### ')
|| (pointer = 3, content.substr(selected.start-pointer,pointer) == '###')) {
e.setSelection(selected.start-pointer,selected.end)
e.replaceSelection(chunk)
cursor = selected.start-pointer
} else if (selected.start > 0 && (prevChar = content.substr(selected.start-1,1), !!prevChar && prevChar != '\n')) {
e.replaceSelection('\n\n### '+chunk)
cursor = selected.start+6
} else {
// Empty string before element
e.replaceSelection('### '+chunk)
cursor = selected.start+4
}
// Set the cursor
e.setSelection(cursor,cursor+chunk.length)
}
}]
},{
name: 'groupLink',
data: [{
name: 'cmdUrl',
title: 'URL/Link',
icon: { glyph: 'glyphicon glyphicon-globe', fa: 'fa fa-globe' },
callback: function(e){
// Give [] surround the selection and prepend the link
var chunk, cursor, selected = e.getSelection(), content = e.getContent(), link
if (selected.length == 0) {
// Give extra word
chunk = 'enter link description here'
} else {
chunk = selected.text
}
//ACE
if('bootbox' in window) {
bootbox.prompt('Insert Hyperlink', function(link) {
if (link != null && link != '' && link != 'http://') {
// transform selection and set the cursor into chunked text
e.replaceSelection('['+chunk+']('+link+')')
cursor = selected.start+1
// Set the cursor
e.setSelection(cursor,cursor+chunk.length)
}
});
}
else {
link = prompt('Insert Hyperlink','http://')
if (link != null && link != '' && link != 'http://') {
// transform selection and set the cursor into chunked text
e.replaceSelection('['+chunk+']('+link+')')
cursor = selected.start+1
// Set the cursor
e.setSelection(cursor,cursor+chunk.length)
}
}
}
},{
name: 'cmdImage',
title: 'Image',
icon: { glyph: 'glyphicon glyphicon-picture', fa: 'fa fa-picture-o' },
callback: function(e){
// Give ![] surround the selection and prepend the image link
var chunk, cursor, selected = e.getSelection(), content = e.getContent(), link
if (selected.length == 0) {
// Give extra word
chunk = 'enter image description here'
} else {
chunk = selected.text
}
//ACE
if('bootbox' in window) {
bootbox.prompt("Insert Image Hyperlink", function(link) {
if (link != null) {
// transform selection and set the cursor into chunked text
e.replaceSelection('!['+chunk+']('+link+' "enter image title here")')
cursor = selected.start+2
// Set the next tab
e.setNextTab('enter image title here')
// Set the cursor
e.setSelection(cursor,cursor+chunk.length)
}
});
}
else {
link = prompt('Insert Image Hyperlink','http://')
if (link != null) {
// transform selection and set the cursor into chunked text
e.replaceSelection('!['+chunk+']('+link+' "enter image title here")')
cursor = selected.start+2
// Set the next tab
e.setNextTab('enter image title here')
// Set the cursor
e.setSelection(cursor,cursor+chunk.length)
}
}
}
}]
},{
name: 'groupMisc',
data: [{
name: 'cmdList',
title: 'List',
icon: { glyph: 'glyphicon glyphicon-list', fa: 'fa fa-list' },
callback: function(e){
// Prepend/Give - surround the selection
var chunk, cursor, selected = e.getSelection(), content = e.getContent()
// transform selection and set the cursor into chunked text
if (selected.length == 0) {
// Give extra word
chunk = 'list text here'
e.replaceSelection('- '+chunk)
// Set the cursor
cursor = selected.start+2
} else {
if (selected.text.indexOf('\n') < 0) {
chunk = selected.text
e.replaceSelection('- '+chunk)
// Set the cursor
cursor = selected.start+2
} else {
var list = []
list = selected.text.split('\n')
chunk = list[0]
$.each(list,function(k,v) {
list[k] = '- '+v
})
e.replaceSelection('\n\n'+list.join('\n'))
// Set the cursor
cursor = selected.start+4
}
}
// Set the cursor
e.setSelection(cursor,cursor+chunk.length)
}
}]
},{
name: 'groupUtil',
data: [{
name: 'cmdPreview',
toggle: true,
title: 'Preview',
btnText: 'Preview',
btnClass: 'btn btn-primary btn-sm',
icon: { glyph: 'glyphicon glyphicon-search', fa: 'fa fa-search' },
callback: function(e){
// Check the preview mode and toggle based on this flag
var isPreview = e.$isPreview,content
if (isPreview == false) {
// Give flag that tell the editor enter preview mode
e.showPreview()
} else {
e.hidePreview()
}
}
}]
}]
],
additionalButtons:[], // Place to hook more buttons by code
/* Events hook */
onShow: function (e) {},
onPreview: function (e) {},
onSave: function (e) {},
onBlur: function (e) {},
onFocus: function (e) {},
}
$.fn.markdown.Constructor = Markdown
/* MARKDOWN NO CONFLICT
* ==================== */
$.fn.markdown.noConflict = function () {
$.fn.markdown = old
return this
}
/* MARKDOWN GLOBAL FUNCTION & DATA-API
* ==================================== */
var initMarkdown = function(el) {
var $this = el
if ($this.data('markdown')) {
$this.data('markdown').showEditor()
return
}
$this.markdown($this.data())
}
var analyzeMarkdown = function(e) {
var blurred = false,
el,
$docEditor = $(e.currentTarget)
// Check whether it was editor childs or not
if ((e.type == 'focusin' || e.type == 'click') && $docEditor.length == 1 && typeof $docEditor[0] == 'object'){
el = $docEditor[0].activeElement
if ( ! $(el).data('markdown')) {
if (typeof $(el).parent().parent().parent().attr('class') == "undefined"
|| $(el).parent().parent().parent().attr('class').indexOf('md-editor') < 0) {
if ( typeof $(el).parent().parent().attr('class') == "undefined"
|| $(el).parent().parent().attr('class').indexOf('md-editor') < 0) {
blurred = true
}
} else {
blurred = false
}
}
if (blurred) {
// Blur event
$(document).find('.md-editor').each(function(){
var parentMd = $(el).parent()
if ($(this).attr('id') != parentMd.attr('id')) {
var attachedMarkdown
if (attachedMarkdown = $(this).find('textarea').data('markdown'),
attachedMarkdown == null) {
attachedMarkdown = $(this).find('div[data-provider="markdown-preview"]').data('markdown')
}
if (attachedMarkdown) {
attachedMarkdown.blur()
}
}
})
}
e.stopPropagation()
}
}
$(document)
.on('click.markdown.data-api', '[data-provide="markdown-editable"]', function (e) {
initMarkdown($(this))
e.preventDefault()
})
.on('click', function (e) {
analyzeMarkdown(e)
})
.on('focusin', function (e) {
analyzeMarkdown(e)
})
.ready(function(){
$('textarea[data-provide="markdown"]').each(function(){
initMarkdown($(this))
})
})
}(window.jQuery);