post.js

Discuz功能源码（开源）

		}
		if(swfuploaded) {
			swfattachlistupdate(action);
		}
	} else if(action == 3) {
		swfuploaded = 0;
		pagescroll.right(1, '$(\'swfuploadbox\').style.display = $(\'swfbox\').style.display = \'\';');
	}
}

function swfattachlistupdate(action) {
	ajaxget('ajax.php?action=swfattachlist', 'swfattachlist', 'swfattachlist', 'swfattachlist', null, '$(\'uploadlist\').scrollTop=10000');
	attachlist('open');
	$('postform').updateswfattach.value = 1;
}

function appendreply() {
	newpos = fetchOffset($('post_new'));
	document.documentElement.scrollTop = newpos['top'];
	$('post_new').style.display = '';
	$('post_new').id = '';
	div = document.createElement('div');
	div.id = 'post_new';
	div.style.display = 'none';
	div.className = '';
	$('postlistreply').appendChild(div);
	$('postform').replysubmit.disabled = false;
	creditnoticewin();
}

var Editorwin = 0;
function resizeEditorwin() {
	var obj = $('resizeEditorwin');
	floatwin('size_' + editoraction);
	$('editorbox').style.height = $('floatlayout_' + editoraction).style.height = $('floatwin_' + editoraction).style.height;
	if(!Editorwin) {
		obj.className = 'float_min';
		obj.title = obj.innerHTML = '还原大小';
		$('editorbox').style.width = $('floatlayout_' + editoraction).style.width = (parseInt($('floatwin_' + editoraction).style.width) - 10)+ 'px';
		$('editorbox').style.left = '0px';
		$('editorbox').style.top = '0px';
		$('swfuploadbox').style.display = $('custominfoarea').style.display = $('creditlink').style.display = $('morelink').style.display = 'none';
		if(wysiwyg) {
			$('e_iframe').style.height = (parseInt($('floatwin_' + editoraction).style.height) - 150)+ 'px';
		}
		$('e_textarea').style.height = (parseInt($('floatwin_' + editoraction).style.height) - 150)+ 'px';
		attachlist('close');
		Editorwin = 1;
	} else {
		obj.className = 'float_max';
		obj.title = obj.innerHTML = '最大化';
		$('editorbox').style.width = $('floatlayout_' + editoraction).style.width = '600px';
		$('swfuploadbox').style.display = $('custominfoarea').style.display = $('creditlink').style.display = $('morelink').style.display = '';
		if(wysiwyg) {
			$('e_iframe').style.height = '';
		}
		$('e_textarea').style.height = '';
		swfuploadwin();
		Editorwin = 0;
	}
}

function closeEditorwin() {
	if(Editorwin) {
		resizeEditorwin();
	}
	floatwin('close_' + editoraction);
}

function editorwindowopen(url) {
	data = wysiwyg ? editdoc.body.innerHTML : textobj.value;
	saveData(data);
	url += '&cedit=' + (data !== '' ? 'yes' : 'no');
	window.open(url);
}

function swfuploadwin() {
	if(Editorwin) {
		if($('swfuploadbox').style.display == 'none') {
			$('swfuploadbox').className = 'floatbox floatbox1 floatboxswf floatwin swfwin';
			$('swfuploadbox').style.position = 'absolute';
			width = (parseInt($('floatlayout_' + editoraction).style.width) - 604) / 2;
			$('swfuploadbox').style.left = width + 'px';
			$('swfuploadbox').style.display = $('swfclosebtn').style.display = $('swfbox').style.display = '';

		} else {
			$('swfuploadbox').className = 'floatbox floatbox1 floatboxswf';
			$('swfuploadbox').style.position = $('swfuploadbox').style.left = '';
			$('swfuploadbox').style.display = $('swfclosebtn').style.display = 'none';
		}
	} else {
		if(infloat) {
			pagescrolls('swf');
		} else {
			if($('swfuploadbox').style.display == 'none') {
				$('swfuploadbox').style.display = $('swfbox').style.display = $('swfclosebtn').style.display = '';
			} else {
				$('swfuploadbox').style.display = $('swfbox').style.display = $('swfclosebtn').style.display = 'none';
			}
		}
	}
}


var editbox = editwin = editdoc = editcss = null;
var cursor = -1;
var stack = new Array();
var initialized = false;

function newEditor(mode, initialtext) {
	wysiwyg = parseInt(mode);
	if(!(is_ie || is_moz || (is_opera >= 9))) {
		allowswitcheditor = wysiwyg = 0;
	}
	if(!allowswitcheditor) {
		$(editorid + '_switcher').style.display = 'none';
	}

	$(editorid + '_cmd_table').style.display = wysiwyg ? '' : 'none';

	if(wysiwyg) {
		if($(editorid + '_iframe')) {
			editbox = $(editorid + '_iframe');
		} else {
			var iframe = document.createElement('iframe');
			editbox = textobj.parentNode.appendChild(iframe);
			editbox.id = editorid + '_iframe';
		}

		editwin = editbox.contentWindow;
		editdoc = editwin.document;
		writeEditorContents(isUndefined(initialtext) ?  textobj.value : initialtext);
	} else {
		editbox = editwin = editdoc = textobj;
		if(!isUndefined(initialtext)) {
			writeEditorContents(initialtext);
		}
		addSnapshot(textobj.value);
	}
	setEditorEvents();
	initEditor();
}

function initEditor() {
	var buttons = $(editorid + '_controls').getElementsByTagName('a');
	for(var i = 0; i < buttons.length; i++) {
		if(buttons[i].id.indexOf(editorid + '_cmd_') != -1) {
			buttons[i].href = 'javascript:;';
			buttons[i].onclick = function(e) {discuzcode(this.id.substr(this.id.lastIndexOf('_cmd_') + 5))};
		} else if(buttons[i].id.indexOf(editorid + '_popup_') != -1) {
			buttons[i].href = 'javascript:;';
			buttons[i].onclick = function(e) {InFloat = InFloat_Editor;showMenu(this.id, true, 0, 2)};
		}
	}
	setUnselectable($(editorid + '_controls'));
	textobj.onkeydown = function(e) {ctlent(e ? e : event)};
}

function setUnselectable(obj) {
	if(is_ie && is_ie > 4 && typeof obj.tagName != 'undefined') {
		if(obj.hasChildNodes()) {
			for(var i = 0; i < obj.childNodes.length; i++) {
				setUnselectable(obj.childNodes[i]);
			}
		}
		obj.unselectable = 'on';
	}
}

function writeEditorContents(text) {
	if(wysiwyg) {
		if(text == '' && is_moz) {
			text = '<br />';
		}
		if(initialized && !(is_moz && is_moz >= 3)) {
			editdoc.body.innerHTML = text;
		} else {
			editdoc.designMode = 'on';
			editdoc = editwin.document;
			editdoc.open('text/html', 'replace');
			editdoc.write(text);
			editdoc.close();
			editdoc.body.contentEditable = true;
			initialized = true;
		}
	} else {
		textobj.value = text;
	}

	setEditorStyle();

}

function getEditorContents() {
	return wysiwyg ? editdoc.body.innerHTML : editdoc.value;
}

function setEditorStyle() {
	if(wysiwyg) {
		textobj.style.display = 'none';
		editbox.style.display = '';
		editbox.className = textobj.className;

		var headNode = editdoc.getElementsByTagName("head")[0];
		if(!headNode.getElementsByTagName('link').length) {
			editcss = editdoc.createElement('link');
			editcss.type = 'text/css';
			editcss.rel = 'stylesheet';
			editcss.href = editorcss;
			headNode.appendChild(editcss);
		}

		if(is_moz || is_opera) {
			editbox.style.border = '0px';
		} else if(is_ie) {
			editdoc.body.style.border = '0px';
			editdoc.body.addBehavior('#default#userData');
		}
		editbox.style.width = textobj.style.width;
		editbox.style.height = textobj.style.height;
		editdoc.body.style.backgroundColor = TABLEBG;
		editdoc.body.style.textAlign = 'left';
		editdoc.body.id = 'wysiwyg';
		if(is_ie) {
			try{$('subject').focus();} catch(e) {editwin.focus();}
		}
	} else {
		var iframe = textobj.parentNode.getElementsByTagName('iframe')[0];
		if(iframe) {
			textobj.style.display = '';
			textobj.style.width = iframe.style.width;
			textobj.style.height = iframe.style.height;
			iframe.style.display = 'none';
		}
		if(is_ie) {
			try{$('subject').focus();} catch(e) {textobj.focus();}
		}
	}
}

function setEditorEvents() {
	if(wysiwyg) {
		if(is_moz || is_opera) {
			editwin.addEventListener('focus', function(e) {this.hasfocus = true;}, true);
			editwin.addEventListener('blur', function(e) {this.hasfocus = false;}, true);
			editwin.addEventListener('keydown', function(e) {ctlent(e);ctltab(e);}, true);
		} else {
			if(editdoc.attachEvent) {
				editdoc.body.attachEvent("onkeydown", ctlent);
				editdoc.body.attachEvent("onkeydown", ctltab);
			}
		}
	}
	editwin.onfocus = function(e) {this.hasfocus = true;};
	editwin.onblur = function(e) {this.hasfocus = false;};
}

function wrapTags(tagname, useoption, selection) {

	if(isUndefined(selection)) {
		var selection = getSel();
		if(selection === false) {
			selection = '';
		} else {
			selection += '';
		}
	}

	if(useoption !== false) {
		var opentag = '[' + tagname + '=' + useoption + ']';
	} else {
		var opentag = '[' + tagname + ']';
	}

	var closetag = '[/' + tagname + ']';
	var text = opentag + selection + closetag;

	insertText(text, strlen(opentag), strlen(closetag), in_array(tagname, ['code', 'quote', 'free', 'hide']) ? true : false);

}

function applyFormat(cmd, dialog, argument) {
	if(wysiwyg) {
		editdoc.execCommand(cmd, (isUndefined(dialog) ? false : dialog), (isUndefined(argument) ? true : argument));
		return;
	}
	switch(cmd) {
		case 'bold':
		case 'italic':
		case 'underline':
			wrapTags(cmd.substr(0, 1), false);
			break;
		case 'justifyleft':
		case 'justifycenter':
		case 'justifyright':
			wrapTags('align', cmd.substr(7));
			break;
		case 'floatleft':
		case 'floatright':
			wrapTags('float', cmd.substr(5));
			break;
		case 'indent':
			wrapTags(cmd, false);
			break;
		case 'fontname':
			wrapTags('font', argument);
			break;
		case 'fontsize':
			wrapTags('size', argument);
			break;
		case 'forecolor':
			wrapTags('color', argument);
			break;
		case 'createlink':
			var sel = getSel();
			if(sel) {
				wrapTags('url', argument);
			} else {
				wrapTags('url', argument, argument);
			}
			break;
		case 'insertimage':
			wrapTags('img', false, argument);
			break;
	}
}

function getCaret() {
	if(wysiwyg) {
		var obj = editdoc.body;
		var s = document.selection.createRange();
		s.setEndPoint("StartToStart", obj.createTextRange());
		return s.text.replace(/\r?\n/g, ' ').length;
	} else {
		var obj = editbox;
		var wR = document.selection.createRange();
		obj.select();
		var aR = document.selection.createRange();
		wR.setEndPoint("StartToStart", aR);
		var len = wR.text.replace(/\r?\n/g, ' ').length;
		wR.collapse(false);
		wR.select();
		return len;
	}
}

function setCaret(pos) {
	var obj = wysiwyg ? editdoc.body : editbox;
	var r = obj.createTextRange();
	r.moveStart('character', pos);
	r.collapse(true);
	r.select();
}

function insertlink(cmd) {
	var sel;
	if(is_ie) {
		sel = wysiwyg ? editdoc.selection.createRange() : document.selection.createRange();
		var pos = getCaret();
	}
	var selection = sel ? (wysiwyg ? sel.htmlText : sel.text) : getSel();
	if(cmd == 'createlink' && is_ie && wysiwyg && selection === undefined) {
		applyFormat("createlink", true, null);
		return;
	}
	var ctrlid = editorid + '_cmd_' + cmd;
	var tag = cmd == 'createlink' ? 'url' : 'email';
	var str = (tag == 'url' ? '请输入链接的地址:' : '请输入此链接的邮箱地址:') + '<br /><input type="text" id="' + ctrlid + '_param_1" style="width: 98%" value="" class="txt" />';
	var div = editorMenu(ctrlid, str);
	$(ctrlid + '_param_1').focus();
	$(ctrlid + '_param_1').onkeydown = editorMenuEvent_onkeydown;
	$(ctrlid + '_submit').onclick = function() {
		checkFocus();
		if(is_ie) {
			setCaret(pos);
		}
		var input = $(ctrlid + '_param_1').value;
		if(input != '') {
			var v = selection ? selection : input;
			var href = tag != 'email' && /^(www\.)/.test(input) ? 'http://' + input : input;
			var text = wysiwyg ? ('<a href="' + (tag == 'email' ? 'mailto:' : '') + href + '">' + v + '</a>') : '[' + tag + '=' + href + ']' + v + '[/' + tag + ']';
			var closetaglen = tag == 'email' ? 8 : 6;
			if(wysiwyg) insertText(text, text.length - v.length, 0, (selection ? true : false), sel);
			else insertText(text, text.length - v.length - closetaglen, closetaglen, (selection ? true : false), sel);
		}
		hideMenu();
		div.parentNode.removeChild(div);
	}
}

function insertimage(cmd) {
	InFloat = InFloat_Editor;showMenu(editorid + '_cmd_' + cmd, true, 0, 3);
}

function insertimagesubmit() {
	if(wysiwyg) {
		insertText('<img src='+$(editorid + '_cmd_insertimage_param_url').value+' border=0 /> ', false);
	} else {
		insertText('[img]'+$(editorid + '_cmd_insertimage_param_url').value+'[/img]');
	}
	hideMenu();
}

function insertSmiley(smilieid) {
	checkFocus();
	var src = $('smilie_' + smilieid).src;
	var code = $('smilie_' + smilieid).alt;
	if(typeof wysiwyg != 'undefined' && wysiwyg && allowsmilies && (!$('smileyoff') || $('smileyoff').checked == false)) {
		if(is_moz) {
			applyFormat('InsertImage', false, src);
			var smilies = editdoc.body.getElementsByTagName('img');
			for(var i = 0; i < smilies.length; i++) {
				if(smilies[i].src == src && smilies[i].getAttribute('smilieid') < 1) {
					smilies[i].setAttribute('smilieid', smilieid);
					smilies[i].setAttribute('border', "0");
				}
			}
		} else {
			insertText('<img src="' + src + '" border="0" smilieid="' + smilieid + '" alt="" /> ', false);
		}
	} else {
		code += ' ';
		AddText(code);
	}
	hideMenu();
}

function editorMenuEvent_onkeydown(e) {
	e = e ? e : event;