background.js
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(function () {
var onlineImage,
backupStyle = editor.queryCommandValue('background');
window.onload = function () {
initTabs();
initColorSelector();
};
/* 初始化tab标签 */
function initTabs(){
var tabs = $G('tabHeads').children;
for (var i = 0; i < tabs.length; i++) {
domUtils.on(tabs[i], "click", function (e) {
var target = e.target || e.srcElement;
for (var j = 0; j < tabs.length; j++) {
if(tabs[j] == target){
tabs[j].className = "focus";
var contentId = tabs[j].getAttribute('data-content-id');
$G(contentId).style.display = "block";
if(contentId == 'imgManager') {
initImagePanel();
}
}else {
tabs[j].className = "";
$G(tabs[j].getAttribute('data-content-id')).style.display = "none";
}
}
});
}
}
/* 初始化颜色设置 */
function initColorSelector () {
var obj = editor.queryCommandValue('background');
if (obj) {
var color = obj['background-color'],
repeat = obj['background-repeat'] || 'repeat',
image = obj['background-image'] || '',
position = obj['background-position'] || 'center center',
pos = position.split(' '),
x = parseInt(pos[0]) || 0,
y = parseInt(pos[1]) || 0;
if(repeat == 'no-repeat' && (x || y)) repeat = 'self';
image = image.match(/url[\s]*\(([^\)]*)\)/);
image = image ? image[1]:'';
updateFormState('colored', color, image, repeat, x, y);
} else {
updateFormState();
}
var updateHandler = function () {
updateFormState();
updateBackground();
}
domUtils.on($G('nocolorRadio'), 'click', updateBackground);
domUtils.on($G('coloredRadio'), 'click', updateHandler);
domUtils.on($G('url'), 'keyup', function(){
if($G('url').value && $G('alignment').style.display == "none") {
utils.each($G('repeatType').children, function(item){
item.selected = ('repeat' == item.getAttribute('value') ? 'selected':false);
});
}
updateHandler();
});
domUtils.on($G('repeatType'), 'change', updateHandler);
domUtils.on($G('x'), 'keyup', updateBackground);
domUtils.on($G('y'), 'keyup', updateBackground);
initColorPicker();
}
/* 初始化颜色选择器 */
function initColorPicker() {
var me = editor,
cp = $G("colorPicker");
/* 生成颜色选择器ui对象 */
var popup = new UE.ui.Popup({
content: new UE.ui.ColorPicker({
noColorText: me.getLang("clearColor"),
editor: me,
onpickcolor: function (t, color) {
updateFormState('colored', color);
updateBackground();
UE.ui.Popup.postHide();
},
onpicknocolor: function (t, color) {
updateFormState('colored', 'transparent');
updateBackground();
UE.ui.Popup.postHide();
}
}),
editor: me,
onhide: function () {
}
});
/* 设置颜色选择器 */
domUtils.on(cp, "click", function () {
popup.showAnchor(this);
});
domUtils.on(document, 'mousedown', function (evt) {
var el = evt.target || evt.srcElement;
UE.ui.Popup.postHide(el);
});
domUtils.on(window, 'scroll', function () {
UE.ui.Popup.postHide();
});
}
/* 初始化在线图片列表 */
function initImagePanel() {
onlineImage = onlineImage || new OnlineImage('imageList');
}
/* 更新背景色设置面板 */
function updateFormState (radio, color, url, align, x, y) {
var nocolorRadio = $G('nocolorRadio'),
coloredRadio = $G('coloredRadio');
if(radio) {
nocolorRadio.checked = (radio == 'colored' ? false:'checked');
coloredRadio.checked = (radio == 'colored' ? 'checked':false);
}
if(color) {
domUtils.setStyle($G("colorPicker"), "background-color", color);
}
if(url && /^\//.test(url)) {
var a = document.createElement('a');
a.href = url;
browser.ie && (a.href = a.href);
url = browser.ie ? a.href:(a.protocol + '//' + a.host + a.pathname + a.search + a.hash);
}
if(url || url === '') {
$G('url').value = url;
}
if(align) {
utils.each($G('repeatType').children, function(item){
item.selected = (align == item.getAttribute('value') ? 'selected':false);
});
}
if(x || y) {
$G('x').value = parseInt(x) || 0;
$G('y').value = parseInt(y) || 0;
}
$G('alignment').style.display = coloredRadio.checked && $G('url').value ? '':'none';
$G('custom').style.display = coloredRadio.checked && $G('url').value && $G('repeatType').value == 'self' ? '':'none';
}
/* 更新背景颜色 */
function updateBackground () {
if ($G('coloredRadio').checked) {
var color = domUtils.getStyle($G("colorPicker"), "background-color"),
bgimg = $G("url").value,
align = $G("repeatType").value,
backgroundObj = {
"background-repeat": "no-repeat",
"background-position": "center center"
};
if (color) backgroundObj["background-color"] = color;
if (bgimg) backgroundObj["background-image"] = 'url(' + bgimg + ')';
if (align == 'self') {
backgroundObj["background-position"] = $G("x").value + "px " + $G("y").value + "px";
} else if (align == 'repeat-x' || align == 'repeat-y' || align == 'repeat') {
backgroundObj["background-repeat"] = align;
}
editor.execCommand('background', backgroundObj);
} else {
editor.execCommand('background', null);
}
}
/* 在线图片 */
function OnlineImage(target) {
this.container = utils.isString(target) ? document.getElementById(target) : target;
this.init();
}
OnlineImage.prototype = {
init: function () {
this.reset();
this.initEvents();
},
/* 初始化容器 */
initContainer: function () {
this.container.innerHTML = '';
this.list = document.createElement('ul');
this.clearFloat = document.createElement('li');
domUtils.addClass(this.list, 'list');
domUtils.addClass(this.clearFloat, 'clearFloat');
this.list.id = 'imageListUl';
this.list.appendChild(this.clearFloat);
this.container.appendChild(this.list);
},
/* 初始化滚动事件,滚动到地步自动拉取数据 */
initEvents: function () {
var _this = this;
/* 滚动拉取图片 */
domUtils.on($G('imageList'), 'scroll', function(e){
var panel = this;
if (panel.scrollHeight - (panel.offsetHeight + panel.scrollTop) < 10) {
_this.getImageData();
}
});
/* 选中图片 */
domUtils.on(this.container, 'click', function (e) {
var target = e.target || e.srcElement,
li = target.parentNode,
nodes = $G('imageListUl').childNodes;
if (li.tagName.toLowerCase() == 'li') {
updateFormState('nocolor', null, '');
for (var i = 0, node; node = nodes[i++];) {
if (node == li && !domUtils.hasClass(node, 'selected')) {
domUtils.addClass(node, 'selected');
updateFormState('colored', null, li.firstChild.getAttribute("_src"), 'repeat');
} else {
domUtils.removeClasses(node, 'selected');
}
}
updateBackground();
}
});
},
/* 初始化第一次的数据 */
initData: function () {
/* 拉取数据需要使用的值 */
this.state = 0;
this.listSize = editor.getOpt('imageManagerListSize');
this.listIndex = 0;
this.listEnd = false;
/* 第一次拉取数据 */
this.getImageData();
},
/* 重置界面 */
reset: function() {
this.initContainer();
this.initData();
},
/* 向后台拉取图片列表数据 */
getImageData: function () {
var _this = this;
if(!_this.listEnd && !this.isLoadingData) {
this.isLoadingData = true;
var url = editor.getActionUrl(editor.getOpt('imageManagerActionName')),
isJsonp = utils.isCrossDomainUrl(url);
ajax.request(url, {
'timeout': 100000,
'dataType': isJsonp ? 'jsonp':'',
'data': utils.extend({
start: this.listIndex,
size: this.listSize
}, editor.queryCommandValue('serverparam')),
'method': 'get',
'onsuccess': function (r) {
try {
var json = isJsonp ? r:eval('(' + r.responseText + ')');
if (json.state == 'SUCCESS') {
_this.pushData(json.list);
_this.listIndex = parseInt(json.start) + parseInt(json.list.length);
if(_this.listIndex >= json.total) {
_this.listEnd = true;
}
_this.isLoadingData = false;
}
} catch (e) {
if(r.responseText.indexOf('ue_separate_ue') != -1) {
var list = r.responseText.split(r.responseText);
_this.pushData(list);
_this.listIndex = parseInt(list.length);
_this.listEnd = true;
_this.isLoadingData = false;
}
}
},
'onerror': function () {
_this.isLoadingData = false;
}
});
}
},
/* 添加图片到列表界面上 */
pushData: function (list) {
var i, item, img, icon, _this = this,
urlPrefix = editor.getOpt('imageManagerUrlPrefix');
for (i = 0; i < list.length; i++) {
if(list[i] && list[i].url) {
item = document.createElement('li');
img = document.createElement('img');
icon = document.createElement('span');
domUtils.on(img, 'load', (function(image){
return function(){
_this.scale(image, image.parentNode.offsetWidth, image.parentNode.offsetHeight);
}
})(img));
img.width = 113;
img.setAttribute('src', urlPrefix + list[i].url + (list[i].url.indexOf('?') == -1 ? '?noCache=':'&noCache=') + (+new Date()).toString(36) );
img.setAttribute('_src', urlPrefix + list[i].url);
domUtils.addClass(icon, 'icon');
item.appendChild(img);
item.appendChild(icon);
this.list.insertBefore(item, this.clearFloat);
}
}
},
/* 改变图片大小 */
scale: function (img, w, h, type) {
var ow = img.width,
oh = img.height;
if (type == 'justify') {
if (ow >= oh) {
img.width = w;
img.height = h * oh / ow;
img.style.marginLeft = '-' + parseInt((img.width - w) / 2) + 'px';
} else {
img.width = w * ow / oh;
img.height = h;
img.style.marginTop = '-' + parseInt((img.height - h) / 2) + 'px';
}
} else {
if (ow >= oh) {
img.width = w * ow / oh;
img.height = h;
img.style.marginLeft = '-' + parseInt((img.width - w) / 2) + 'px';
} else {
img.width = w;
img.height = h * oh / ow;
img.style.marginTop = '-' + parseInt((img.height - h) / 2) + 'px';
}
}
},
getInsertList: function () {
var i, lis = this.list.children, list = [], align = getAlign();
for (i = 0; i < lis.length; i++) {
if (domUtils.hasClass(lis[i], 'selected')) {
var img = lis[i].firstChild,
src = img.getAttribute('_src');
list.push({
src: src,
_src: src,
floatStyle: align
});
}
}
return list;
}
};
dialog.onok = function () {
updateBackground();
editor.fireEvent('saveScene');
};
dialog.oncancel = function () {
editor.execCommand('background', backupStyle);
};
})();