自己动手制作更好用的markdown编辑器-03

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angular.module('hmd', ['ui.router','hmd.directives','hmd.studio','hmd.system'])
...
//引入模块
hmd.regModule('studio');
hmd.regModule('system');
...

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//TODO:更优雅的导航栏切换逻辑
hmd.changeStatus =  function (state) {
var $navList = $('#navlist');
$navList.find('li').removeClass('active');
$navList.find('.' + state).addClass('active');
};

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hmd.system.config(function ($stateProvider, $urlRouterProvider) {
$stateProvider
.state('system', {
url: "/system",
templateUrl: "modules/system/views/system.html",
controller: 'system',
onEnter: function () {
hmd.changeStatus('system');
}
});
});

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...
onEnter: function () {
hmd.changeStatus('studio');
}
...

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...
<ul class="nav navbar-nav" id="navlist" >
<li class="studio"><a href="#/studio">编辑器</a></li>
<li class="system"><a href="#/system">系统设置</a></li>
</ul>
...

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var util = require('./helpers/util'),
fs = require('fs'),
system = hmd.system,
//存储设置的文件
dataFile = system.dataPath + '\\system.json';

//初始化存储目录
if (!fs.existsSync(system.dataPath)) {
fs.mkdirSync(system.dataPath);
}

//默认设置
var defaultSystemData = {
//最后一次打开的文件
lastFile: null
};

//读取设置
system.get = function () {
return $.extend(defaultSystemData,util.readJsonSync(dataFile));
};

//保存设置
system.save = function (data) {
data = data || defaultSystemData;
util.writeFileSync(dataFile, JSON.stringify(data));
};

//设置最后打开的文件
system.setLastFile = function (filepath) {
var systemData  = system.get();
systemData.lastFile = filepath;
system.save(systemData);
};

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//设置当前文件
setFile:function(filepath){
if(filepath && fs.existsSync(filepath)){
var txt = util.readFileSync(filepath);
this.filepath = filepath;
this.cm.setValue(txt);
this.fire('setFiled',this.filepath);
}
else{
this.filepath = null;
this.cm.setValue('');
this.fire('setFiled');
}
}

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studio.directive('hmdEditor', function () {
return function ($scope, elem) {
//读取最后一次打开的文件
var systemData = hmd.system.get();
hmd.editor.init({el:elem[0]},systemData.lastFile);
//保存最后一次打开的文件
hmd.editor.on('setFiled',function(filepath){
hmd.system.setLastFile(filepath);
});
...

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...
if(options.theme != 'default'){
$('head').append('<link href="lib/codemirror/theme/'+options.theme+'.css" rel="stylesheet" />');
}
...

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...
//默认设置
var defaultSystemData = {
//最后一次打开的文件
lastFile: null,
//当前样式
theme:'ambiance'
};
...

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<div class="content studio-wrap">
<form class="system-form" name="systemForm">
<div class="form-group">
<label>编辑器样式</label>
<select ng-model="systemSetting.theme" name="theme">
<option value="ambiance">ambiance</option>
<option value="mbo">mbo</option>
<option value="neat">neat</option>
</select>
</div>
<button type="submit" class="btn btn-default" ng-click="save(systemSetting)">保存</button>
</form>
</div>

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system.controller('system', function ($scope) {
$scope.systemSetting = system.get();
$scope.save = function (systemSetting) {
system.save(systemSetting);
};
});

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var system = hmd.system,
fs = require('fs');
system.controller('system', function ($scope) {
//读取theme目录,生成样式列表
var files = fs.readdirSync('./app/lib/codemirror/theme'),themes={};
files.forEach(function (file) {
if(~file.indexOf('.css')){
file = file.replace('.css','');
themes[file] = file;
}
});
$scope.themes = themes;
$scope.systemSetting = system.get();
$scope.save = function (systemSetting) {
system.save(systemSetting);
};
});

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<select name="theme" ng-model="systemSetting.theme"  ng-options="k as v for (k, v) in themes">
</select>