/*
habraWYG - простой визивиг
*/
habraWYG = {
insertTagWithText: function (link, tagName){
var startTag = '<' + tagName + '>';
var endTag = '' + tagName + '>';
habraWYG.insertTag(link, startTag, endTag);
return false;
},
insertImage: function(link){
var src = prompt('Введите src картинки', 'http://');
if(src){
habraWYG.insertTag(link, '
', '');
}
return false;
},
insertLink: function(link){
var href = prompt('Введите URL ссылки', 'http://');
if(href){
habraWYG.insertTag(link, '', '');
}
return false;
},
insertUser: function(link){
var login = prompt('Введите никнейм пользователя', '');
if(login){
habraWYG.insertTag(link, '', '');
}
return false;
},
insertHabracut: function(link){
habraWYG.insertTag(link, '', '');
return false;
},
insertTag: function(link, startTag, endTag, repObj){
var textareaParent = $(link).parents('.editor');
var textarea = $('textarea',textareaParent).get(0);
textarea.focus();
var scrtop = textarea.scrollTop;
var cursorPos = habraWYG.getCursor(textarea);
var txt_pre = textarea.value.substring(0, cursorPos.start);
var txt_sel = textarea.value.substring(cursorPos.start, cursorPos.end);
var txt_aft = textarea.value.substring(cursorPos.end);
if(repObj){
txt_sel = txt_sel.replace(/\r/g, '');
txt_sel = txt_sel != '' ? txt_sel : ' ';
txt_sel = txt_sel.replace(new RegExp(repObj.findStr, 'gm'), repObj.repStr);
}
if (cursorPos.start == cursorPos.end){
var nuCursorPos = cursorPos.start + startTag.length;
}else{
var nuCursorPos=String(txt_pre + startTag + txt_sel + endTag).length;
}
textarea.value = txt_pre + startTag + txt_sel + endTag + txt_aft;
/*
if(textarea.setSelectionRange) {
textarea.setSelectionRange(nuCursorPos - 5, nuCursorPos);
}
*/
habraWYG.setCursor(textarea, nuCursorPos, nuCursorPos);
if (scrtop) textarea.scrollTop = scrtop;
return false;
},
insertTagFromDropBox: function(link){
habraWYG.insertTagWithText(link, link.value);
link.selectedIndex = 0;
},
insertList: function(link){
var startTag = '<' + link.value + '>\n';
var endTag = '\n' + link.value + '>';
var repObj = {
findStr: '^(.+)',
repStr: '\t
$1'
}
habraWYG.insertTag(link, startTag, endTag, repObj);
link.selectedIndex = 0;
},
insertSource: function(select){
var startTag = '\n';
var endTag = '\n';
habraWYG.insertTag(select, startTag, endTag);
select.selectedIndex = 0;
},
insertTab: function(e, textarea){
if(!e) e = window.event;
if (e.keyCode) var keyCode = e.keyCode;
else if (e.which) var keyCode = e.which;
//alert(keyCode);
switch(e.type){
case 'keydown':
if(keyCode == 16){
habraWYG.shift = true;
//alert('1');
}
break;
case 'keyup':
if(keyCode == 16) {
habraWYG.shift = false;
//alert('2');
}
break;
}
textarea.focus();
var cursorPos = habraWYG.getCursor(textarea);
if (cursorPos.start == cursorPos.end){
return true;
} else if(keyCode == 9 && !habraWYG.shift){
var repObj = {
findStr: '^(.+)',
repStr: '\t$1'
}
habraWYG.insertTag(textarea, '', '', repObj);
return false;
} else if(keyCode == 9 && habraWYG.shift){
var repObj = {
findStr: '^\t(.+)',
repStr: '$1'
}
habraWYG.insertTag(textarea, '', '', repObj);
return false;
}
},
getCursor: function(input){
var result = {start: 0, end: 0};
if (input.setSelectionRange){
result.start= input.selectionStart;
result.end = input.selectionEnd;
} else if (!document.selection) {
return false;
} else if (document.selection && document.selection.createRange) {
var range = document.selection.createRange();
var stored_range = range.duplicate();
stored_range.moveToElementText(input);
stored_range.setEndPoint('EndToEnd', range);
result.start = stored_range.text.length - range.text.length;
result.end = result.start + range.text.length;
}
return result;
},
setCursor: function(textarea, start, end){
if(textarea.createTextRange) {
var range = textarea.createTextRange();
range.move("character", start);
range.select();
} else if(textarea.selectionStart) {
textarea.setSelectionRange(start, end);
}
}
}