music.js
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function Music() {
this.init();
}
(function () {
var pages = [],
panels = [],
selectedItem = null;
Music.prototype = {
total:70,
pageSize:10,
dataUrl:"http://tingapi.ting.baidu.com/v1/restserver/ting?method=baidu.ting.search.common",
playerUrl:"http://box.baidu.com/widget/flash/bdspacesong.swf",
init:function () {
var me = this;
domUtils.on($G("J_searchName"), "keyup", function (event) {
var e = window.event || event;
if (e.keyCode == 13) {
me.dosearch();
}
});
domUtils.on($G("J_searchBtn"), "click", function () {
me.dosearch();
});
},
callback:function (data) {
var me = this;
me.data = data.song_list;
setTimeout(function () {
$G('J_resultBar').innerHTML = me._renderTemplate(data.song_list);
}, 300);
},
dosearch:function () {
var me = this;
selectedItem = null;
var key = $G('J_searchName').value;
if (utils.trim(key) == "")return false;
key = encodeURIComponent(key);
me._sent(key);
},
doselect:function (i) {
var me = this;
if (typeof i == 'object') {
selectedItem = i;
} else if (typeof i == 'number') {
selectedItem = me.data[i];
}
},
onpageclick:function (id) {
var me = this;
for (var i = 0; i < pages.length; i++) {
$G(pages[i]).className = 'pageoff';
$G(panels[i]).className = 'paneloff';
}
$G('page' + id).className = 'pageon';
$G('panel' + id).className = 'panelon';
},
listenTest:function (elem) {
var me = this,
view = $G('J_preview'),
is_play_action = (elem.className == 'm-try'),
old_trying = me._getTryingElem();
if (old_trying) {
old_trying.className = 'm-try';
view.innerHTML = '';
}
if (is_play_action) {
elem.className = 'm-trying';
view.innerHTML = me._buildMusicHtml(me._getUrl(true));
}
},
_sent:function (param) {
var me = this;
$G('J_resultBar').innerHTML = '<div class="loading"></div>';
utils.loadFile(document, {
src:me.dataUrl + '&query=' + param + '&page_size=' + me.total + '&callback=music.callback&.r=' + Math.random(),
tag:"script",
type:"text/javascript",
defer:"defer"
});
},
_removeHtml:function (str) {
var reg = /<\s*\/?\s*[^>]*\s*>/gi;
return str.replace(reg, "");
},
_getUrl:function (isTryListen) {
var me = this;
var param = 'from=tiebasongwidget&url=&name=' + encodeURIComponent(me._removeHtml(selectedItem.title)) + '&artist='
+ encodeURIComponent(me._removeHtml(selectedItem.author)) + '&extra='
+ encodeURIComponent(me._removeHtml(selectedItem.album_title))
+ '&autoPlay='+isTryListen+'' + '&loop=true';
return me.playerUrl + "?" + param;
},
_getTryingElem:function () {
var s = $G('J_listPanel').getElementsByTagName('span');
for (var i = 0; i < s.length; i++) {
if (s[i].className == 'm-trying')
return s[i];
}
return null;
},
_buildMusicHtml:function (playerUrl) {
var html = '<embed class="BDE_try_Music" allowfullscreen="false" pluginspage="http://www.macromedia.com/go/getflashplayer"';
html += ' src="' + playerUrl + '"';
html += ' width="1" height="1" style="position:absolute;left:-2000px;"';
html += ' type="application/x-shockwave-flash" wmode="transparent" play="true" loop="false"';
html += ' menu="false" allowscriptaccess="never" scale="noborder">';
return html;
},
_byteLength:function (str) {
return str.replace(/[^\u0000-\u007f]/g, "\u0061\u0061").length;
},
_getMaxText:function (s) {
var me = this;
s = me._removeHtml(s);
if (me._byteLength(s) > 12)
return s.substring(0, 5) + '...';
if (!s) s = " ";
return s;
},
_rebuildData:function (data) {
var me = this,
newData = [],
d = me.pageSize,
itembox;
for (var i = 0; i < data.length; i++) {
if ((i + d) % d == 0) {
itembox = [];
newData.push(itembox)
}
itembox.push(data[i]);
}
return newData;
},
_renderTemplate:function (data) {
var me = this;
if (data.length == 0)return '<div class="empty">' + lang.emptyTxt + '</div>';
data = me._rebuildData(data);
var s = [], p = [], t = [];
s.push('<div id="J_listPanel" class="listPanel">');
p.push('<div class="page">');
for (var i = 0, tmpList; tmpList = data[i++];) {
panels.push('panel' + i);
pages.push('page' + i);
if (i == 1) {
s.push('<div id="panel' + i + '" class="panelon">');
if (data.length != 1) {
t.push('<div id="page' + i + '" onclick="music.onpageclick(' + i + ')" class="pageon">' + (i ) + '</div>');
}
} else {
s.push('<div id="panel' + i + '" class="paneloff">');
t.push('<div id="page' + i + '" onclick="music.onpageclick(' + i + ')" class="pageoff">' + (i ) + '</div>');
}
s.push('<div class="m-box">');
s.push('<div class="m-h"><span class="m-t">' + lang.chapter + '</span><span class="m-s">' + lang.singer
+ '</span><span class="m-z">' + lang.special + '</span><span class="m-try-t">' + lang.listenTest + '</span></div>');
for (var j = 0, tmpObj; tmpObj = tmpList[j++];) {
s.push('<label for="radio-' + i + '-' + j + '" class="m-m">');
s.push('<input type="radio" id="radio-' + i + '-' + j + '" name="musicId" class="m-l" onclick="music.doselect(' + (me.pageSize * (i-1) + (j-1)) + ')"/>');
s.push('<span class="m-t">' + me._getMaxText(tmpObj.title) + '</span>');
s.push('<span class="m-s">' + me._getMaxText(tmpObj.author) + '</span>');
s.push('<span class="m-z">' + me._getMaxText(tmpObj.album_title) + '</span>');
s.push('<span class="m-try" onclick="music.doselect(' + (me.pageSize * (i-1) + (j-1)) + ');music.listenTest(this)"></span>');
s.push('</label>');
}
s.push('</div>');
s.push('</div>');
}
t.reverse();
p.push(t.join(''));
s.push('</div>');
p.push('</div>');
return s.join('') + p.join('');
},
exec:function () {
var me = this;
if (selectedItem == null) return;
$G('J_preview').innerHTML = "";
editor.execCommand('music', {
url:me._getUrl(false),
width:400,
height:95
});
}
};
})();