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kityminder-core
Commit 016b3222 authored by campaign's avatar campaign
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Merge branch 'dev' of https://github.com/kitygraph/kityminder into dev

parents 14502fba d0f3ce2b
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demo/dev.html
View file @ 016b3222
......@@ -22,6 +22,6 @@
</div>
</body>
<script>
var km = KM.getKityMinder('kityminder');
window.km = KM.getKityMinder('kityminder');
</script>
</html>
\ No newline at end of file
demo/kity.all.js
View file @ 016b3222
This diff is collapsed.
dist/dev.php
View file @ 016b3222
......@@ -51,7 +51,8 @@ $dependency = Array(
,'src/adapter/adapter.js'
,'src/adapter/button.js'
,'src/adapter/combobox.js'
,'src/protocal/plain.js'
,'src/protocal/json.js'
);
$content = "";
......
src/adapter/adapter.js
View file @ 016b3222
utils.extend(KityMinder,function(){
utils.extend( KityMinder, function () {
var _kityminderUI = {},
_activeWidget = null,
_widgetData = {},
_widgetCallBack = {};
return {
registerUI:function(uiname,fn){
utils.each(uiname.split(/\s+/), function (i,name) {
_kityminderUI[name] = fn;
})
registerUI: function ( uiname, fn ) {
utils.each( uiname.split( /\s+/ ), function ( i, name ) {
_kityminderUI[ name ] = fn;
} )
},
_createUI:function(id){
var $cont = $('<div class="kmui-container"></div>'),
_createUI: function ( id ) {
var $cont = $( '<div class="kmui-container"></div>' ),
$toolbar = $.kmuitoolbar(),
$kmbody = $('<div class="kmui-editor-body"></div>'),
$statusbar = $('<div class="kmui-statusbar"></div>');
$kmbody = $( '<div class="kmui-editor-body"></div>' ),
$statusbar = $( '<div class="kmui-statusbar"></div>' );
$cont.append($toolbar).append($kmbody).append($statusbar);
$(utils.isString(id) ? '#' + id : id).append($cont);
$cont.append( $toolbar ).append( $kmbody ).append( $statusbar );
$( utils.isString( id ) ? '#' + id : id ).append( $cont );
return {
'$container':$cont,
'$toolbar':$toolbar,
'$body':$kmbody,
'$statusbar':$statusbar
'$container': $cont,
'$toolbar': $toolbar,
'$body': $kmbody,
'$statusbar': $statusbar
};
},
_createToolbar:function($toolbar,km){
var toolbars = km.getOptions('toolbars');
if (toolbars && toolbars.length) {
_createToolbar: function ( $toolbar, km ) {
var toolbars = km.getOptions( 'toolbars' );
if ( toolbars && toolbars.length ) {
var btns = [];
$.each(toolbars,function(i,uiNames){
$.each(uiNames.split(/\s+/),function(index,name){
if(name == '|'){
$.kmuiseparator && btns.push($.kmuiseparator());
}else{
if(_kityminderUI[name]){
var ui = _kityminderUI[name].call(km,name);
ui && btns.push(ui);
$.each( toolbars, function ( i, uiNames ) {
$.each( uiNames.split( /\s+/ ), function ( index, name ) {
if ( name == '|' ) {
$.kmuiseparator && btns.push( $.kmuiseparator() );
} else {
if ( _kityminderUI[ name ] ) {
var ui = _kityminderUI[ name ].call( km, name );
ui && btns.push( ui );
}
}
});
btns.length && $toolbar.kmui().appendToBtnmenu(btns);
});
} );
btns.length && $toolbar.kmui().appendToBtnmenu( btns );
} );
}
$toolbar.append($('<div class="kmui-dialog-container"></div>'));
$toolbar.append( $( '<div class="kmui-dialog-container"></div>' ) );
},
_createStatusbar:function($statusbar,km){
_createStatusbar: function ( $statusbar, km ) {
},
getKityMinder:function(id,options){
var containers = this._createUI(id);
var km = this.getMinder(containers.$body.get(0),options);
this._createToolbar(containers.$toolbar,km);
this._createStatusbar(containers.$statusbar,km);
getKityMinder: function ( id, options ) {
var containers = this._createUI( id );
var km = this.getMinder( containers.$body.get( 0 ), options );
this._createToolbar( containers.$toolbar, km );
this._createStatusbar( containers.$statusbar, km );
km.$container = containers.$container;
return km;
},
registerWidget : function(name,pro,cb){
_widgetData[name] = $.extend2(pro,{
$root : '',
_preventDefault:false,
root:function($el){
return this.$root || (this.$root = $el);
registerWidget: function ( name, pro, cb ) {
_widgetData[ name ] = $.extend2( pro, {
$root: '',
_preventDefault: false,
root: function ( $el ) {
return this.$root || ( this.$root = $el );
},
preventDefault:function(){
preventDefault: function () {
this._preventDefault = true;
},
clear:false
});
if(cb){
_widgetCallBack[name] = cb;
clear: false
} );
if ( cb ) {
_widgetCallBack[ name ] = cb;
}
},
getWidgetData : function(name){
return _widgetData[name]
getWidgetData: function ( name ) {
return _widgetData[ name ]
},
setWidgetBody : function(name,$widget,km){
if(!km._widgetData){
setWidgetBody: function ( name, $widget, km ) {
if ( !km._widgetData ) {
utils.extend(km,{
_widgetData : {},
getWidgetData : function(name){
return this._widgetData[name];
utils.extend( km, {
_widgetData: {},
getWidgetData: function ( name ) {
return this._widgetData[ name ];
},
getWidgetCallback : function(widgetName){
getWidgetCallback: function ( widgetName ) {
var me = this;
return function(){
return _widgetCallBack[widgetName].apply(me,[me,$widget].concat(utils.argsToArray(arguments,0)))
return function () {
return _widgetCallBack[ widgetName ].apply( me, [ me, $widget ].concat( utils.argsToArray( arguments, 0 ) ) )
}
}
})
} )
}
var pro = _widgetData[name];
if(!pro){
var pro = _widgetData[ name ];
if ( !pro ) {
return null;
}
pro = km._widgetData[name];
if(!pro){
pro = _widgetData[name];
pro = km._widgetData[name] = $.type(pro) == 'function' ? pro : utils.clone(pro);
pro = km._widgetData[ name ];
if ( !pro ) {
pro = _widgetData[ name ];
pro = km._widgetData[ name ] = $.type( pro ) == 'function' ? pro : utils.clone( pro );
}
pro.root($widget.kmui().getBodyContainer());
pro.root( $widget.kmui().getBodyContainer() );
pro.initContent(km,$widget);
if(!pro._preventDefault){
pro.initEvent(km,$widget);
pro.initContent( km, $widget );
if ( !pro._preventDefault ) {
pro.initEvent( km, $widget );
}
pro.width && $widget.width(pro.width);
pro.width && $widget.width( pro.width );
},
setActiveWidget : function($widget){
setActiveWidget: function ( $widget ) {
_activeWidget = $widget;
}
}
}());
}() );
src/core/minder.data.js
View file @ 016b3222
Utils.extend( KityMinder, {
_protocals: {},
registerProtocal: function ( name, protocalDeal ) {
KityMinder._protocals[ name ] = protocalDeal();
},
findProtocal: function ( name ) {
return KityMinder._protocals[ name ] || null;
},
getSupportedProtocals: function () {
return Utils.keys( KityMinder._protocals );
}
} );
// 这里的 Json 是一个对象
function exportNode( node ) {
var exported = {};
exported.data = node.getData();
var childNodes = node.getChildren();
if ( childNodes.length ) {
exported.children = [];
for ( var i = 0; i < childNodes.length; i++ ) {
exported.children.push( exportNode( childNodes[ i ] ) );
}
}
return exported;
}
function importNode( node, json ) {
var data = json.data;
for ( var field in data ) {
node.setData( field, data[ field ] );
}
var childrenTreeData = json.children;
if ( !childrenTreeData ) return;
for ( var i = 0; i < childrenTreeData.length; i++ ) {
var childNode = new MinderNode();
importNode( childNode, childrenTreeData[ i ] );
node.appendChild( childNode );
}
return node;
}
// 导入导出
kity.extendClass( Minder, {
exportData: function ( node ) {
var exported = {};
node = node || this.getRoot();
exported.data = node.getData();
var childNodes = node.getChildren();
if ( childNodes.length ) {
exported.children = [];
for ( var i = 0; i < childNodes.length; i++ ) {
exported.children.push( this.exportData( childNodes[ i ] ) );
}
exportData: function ( protocalName ) {
var json, protocal;
json = exportNode( this.getRoot() );
protocal = KityMinder.findProtocal( protocalName );
if ( protocal ) {
return protocal.encode( json );
} else {
return json;
}
return exported;
},
importData: function ( treeData ) {
function importToNode( treeData, node ) {
var data = treeData.data;
for ( var field in data ) {
node.setData( field, data[ field ] );
}
var childrenTreeData = treeData.children;
if ( !childrenTreeData ) return;
for ( var i = 0; i < childrenTreeData.length; i++ ) {
var childNode = new MinderNode();
importToNode( childrenTreeData[ i ], childNode );
node.appendChild( childNode );
}
importData: function ( local, protocalName ) {
var json, protocal;
if ( protocalName ) {
protocal = KityMinder.findProtocal( protocalName );
} else {
KityMinder.getSupportedProtocals().every( function ( name ) {
var test = KityMinder.findProtocal( name );
if ( test.recognize && test.recognize( local ) ) {
protocal = test;
}
return !test;
} );
}
if ( !protocal ) {
throw new Error( "Unsupported protocal: " + protocalName );
}
var params = {
importData: treeData
local: local,
protocalName: protocalName,
protocal: protocal
};
// 是否需要阻止导入
var stoped = this._fire( new MinderEvent( 'beforeimport', params, true ) );
if ( stoped ) return this;
json = params.json || ( params.json = protocal.decode( local ) );
this._fire( new MinderEvent( 'preimport', params, false ) );
// 删除当前所有节点
while ( this._root.getChildren().length ) {
this._root.removeChild( 0 );
}
importToNode( treeData, this._root );
importNode( this._root, json );
this._fire( new MinderEvent( 'import', params, false ) );
this._firePharse( {
......@@ -52,6 +103,7 @@ kity.extendClass( Minder, {
this._firePharse( {
type: 'interactchange'
} );
return this;
}
} );
\ No newline at end of file
src/core/minder.node.js
View file @ 016b3222
......@@ -3,7 +3,7 @@ kity.extendClass( Minder, {
getRoot: function () {
return this._root;
},
setRoot:function(root){
setRoot: function ( root ) {
this._root = root;
},
handelNodeInsert: function ( node ) {
......
src/core/node.js
View file @ 016b3222
......@@ -227,7 +227,7 @@ var MinderNode = KityMinder.MinderNode = kity.createClass( "MinderNode", {
},
clone: function () {
function cloneNode( parent, isClonedNode ) {
var _tmp = new KM.MinderNode(isClonedNode.getText());
var _tmp = new KM.MinderNode( isClonedNode.getText() );
_tmp.data = Utils.clonePlainObject( isClonedNode.getData() );
_tmp.parent = parent;
......@@ -266,5 +266,8 @@ var MinderNode = KityMinder.MinderNode = kity.createClass( "MinderNode", {
},
isSelected: function () {
return this.getData( 'highlight' ) === true;
},
clearChildren: function () {
this.children = [];
}
} );
\ No newline at end of file
src/module/font.js
View file @ 016b3222
KityMinder.registerModule( "fontmodule", function () {
return {
defaultOptions:{
'fontfamily': [
{ name: 'songti', val: '宋体,SimSun'},
{ name: 'yahei', val: '微软雅黑,Microsoft YaHei'},
{ name: 'kaiti', val: '楷体,楷体_GB2312, SimKai'},
{ name: 'heiti', val: '黑体, SimHei'},
{ name: 'lishu', val: '隶书, SimLi'},
{ name: 'andaleMono', val: 'andale mono'},
{ name: 'arial', val: 'arial, helvetica,sans-serif'},
{ name: 'arialBlack', val: 'arial black,avant garde'},
{ name: 'comicSansMs', val: 'comic sans ms'},
{ name: 'impact', val: 'impact,chicago'},
{ name: 'timesNewRoman', val: 'times new roman'},
{ name: 'sans-serif',val:'sans-serif'}
],
'fontsize': [10, 12, 16, 18,24, 32,48]
defaultOptions: {
'fontfamily': [ {
name: 'songti',
val: '宋体,SimSun'
}, {
name: 'yahei',
val: '微软雅黑,Microsoft YaHei'
}, {
name: 'kaiti',
val: '楷体,楷体_GB2312, SimKai'
}, {
name: 'heiti',
val: '黑体, SimHei'
}, {
name: 'lishu',
val: '隶书, SimLi'
}, {
name: 'andaleMono',
val: 'andale mono'
}, {
name: 'arial',
val: 'arial, helvetica,sans-serif'
}, {
name: 'arialBlack',
val: 'arial black,avant garde'
}, {
name: 'comicSansMs',
val: 'comic sans ms'
}, {
name: 'impact',
val: 'impact,chicago'
}, {
name: 'timesNewRoman',
val: 'times new roman'
}, {
name: 'sans-serif',
val: 'sans-serif'
} ],
'fontsize': [ 10, 12, 16, 18, 24, 32, 48 ]
},
"commands": {
"forecolor": kity.createClass( "fontcolorCommand", {
......@@ -39,7 +62,7 @@ KityMinder.registerModule( "fontmodule", function () {
utils.each( nodes, function ( i, n ) {
n.setData( 'fontfamily', family );
n.getTextShape().setAttr( 'font-family', family );
km.updateLayout(n)
km.updateLayout( n )
} )
}
} ),
......@@ -50,8 +73,8 @@ KityMinder.registerModule( "fontmodule", function () {
var nodes = km.getSelectedNodes();
utils.each( nodes, function ( i, n ) {
n.setData( 'fontsize', size );
n.getTextShape().setSize(size);
km.updateLayout(n)
n.getTextShape().setSize( size );
km.updateLayout( n )
} )
}
} )
......
src/module/history.js
View file @ 016b3222
......@@ -51,6 +51,7 @@ KityMinder.registerModule( "HistoryModule", function () {
},
restore: function () {
var scene = this.list[ this.index ];
debugger;
this.km.setRoot( scene.cloneData() );
this.km.initStyle();
this.update();
......@@ -59,6 +60,7 @@ KityMinder.registerModule( "HistoryModule", function () {
return new Scene( this.km.getRoot() )
},
saveScene: function () {
debugger;
var currentScene = this.getScene();
var lastScene = this.list[ this.index ];
if ( lastScene && lastScene.equals( currentScene ) ) {
......
src/module/layout.default.js
View file @ 016b3222
......@@ -27,7 +27,6 @@ KityMinder.registerModule( "LayoutDefault", function () {
dec.stroke( "gray" );
minder.getRenderContainer().addShape( iconShape );
iconShape.addShapes( [ circle, plus, dec ] );
node.setData( "shicon", this );
this.update();
this.switchState();
},
......@@ -107,15 +106,13 @@ KityMinder.registerModule( "LayoutDefault", function () {
switch ( node.getType() ) {
case "root":
case "main":
if ( !Layout.bgRect ) {
node.getBgRc().addShape( Layout.bgRect = new kity.Rect() );
}
node.getBgRc().clear().addShape( Layout.bgRect = new kity.Rect() );
Layout.bgRect.fill( nodeStyle.fill ).setRadius( nodeStyle.radius );
break;
case "sub":
var underline = Layout.underline = new kity.Path();
var highlightshape = Layout.highlightshape = new kity.Rect();
node.getBgRc().addShapes( [ highlightshape, underline ] );
node.getBgRc().clear().addShapes( [ highlightshape, underline ] );
break;
default:
break;
......@@ -134,6 +131,7 @@ KityMinder.registerModule( "LayoutDefault", function () {
Layout.leftHeight = 0;
Layout.rightHeight = 0;
}
minder.highlightNode( node );
};
//根据内容调整节点尺寸
var updateShapeByCont = function ( node ) {
......@@ -153,7 +151,6 @@ KityMinder.registerModule( "LayoutDefault", function () {
var _contWidth = contRc.getWidth();
var _contHeight = contRc.getHeight();
Layout.underline.getDrawer()
.clear()
.moveTo( 0, _contHeight + nodeStyle.padding[ 2 ] + nodeStyle.padding[ 0 ] )
.lineTo( _contWidth + nodeStyle.padding[ 1 ] + nodeStyle.padding[ 3 ], _contHeight + nodeStyle.padding[ 2 ] + nodeStyle.padding[ 0 ] );
Layout.underline.stroke( nodeStyle.stroke );
......@@ -208,7 +205,7 @@ KityMinder.registerModule( "LayoutDefault", function () {
} else {
if ( action === "append" || action === "contract" ) {
Layout.branchheight = node.getRenderContainer().getHeight() + nodeStyle.margin[ 0 ] + nodeStyle.margin[ 2 ];
} else if ( action === "expand" || action === "change" ) { //展开
} else if ( action === "change" ) { //展开
Layout.branchheight = countBranchHeight( node );
}
var parentLayout = parent.getData( "layout" );
......@@ -293,6 +290,7 @@ KityMinder.registerModule( "LayoutDefault", function () {
nodeShape.setTransform( new kity.Matrix().translate( Layout.x, Layout.y - _rectHeight / 2 ) );
break;
}
node.setPoint( Layout.x, Layout.y );
};
var updateConnectAndshIcon = function ( node ) {
var nodeType = node.getType();
......@@ -430,11 +428,26 @@ KityMinder.registerModule( "LayoutDefault", function () {
updateLayoutHorizon( _root );
updateLayoutVertical( _root );
translateNode( _root );
var _buffer = [ _root ];
var _cleanbuffer = [];
//打散结构
while ( _buffer.length !== 0 ) {
var children = _buffer[ 0 ].getChildren();
_buffer = _buffer.concat( children );
for ( var i = 0; i < children.length; i++ ) {
children[ i ].getData( "layout" ).parent = _buffer[ 0 ];
}
_buffer[ 0 ].clearChildren();
if ( _buffer[ 0 ] !== _root ) _cleanbuffer.push( _buffer[ 0 ] );
_buffer.shift();
}
//重组结构
for ( var j = 0; j < _cleanbuffer.length; j++ ) {
this.appendChildNode( _cleanbuffer[ j ].getData( "layout" ).parent, _cleanbuffer[ j ] );
}
},
appendChildNode: function ( parent, node, sibling ) {
minder.handelNodeInsert( node );
//设置align和appendside属性并在合适的位置插入节点
var insert = ( parent.getChildren().indexOf( node ) === -1 );
var Layout = node.getData( "layout" );
var parentLayout = parent.getData( "layout" );
if ( sibling ) {
......@@ -452,24 +465,35 @@ KityMinder.registerModule( "LayoutDefault", function () {
var prtLayout = parent.getData( "layout" );
Layout.appendside = prtLayout.appendside;
Layout.align = prtLayout.align;
parent.appendChild( node );
} else {
if ( parentLayout.rightList.length > 1 && parentLayout.rightList.length > parentLayout.leftList.length ) {
Layout.appendside = "left";
Layout.align = "right";
var nodeP = node.getPoint();
if ( nodeP && nodeP.x && nodeP.y ) {
if ( nodeP.x > parentLayout.x ) {
Layout.appendside = "right";
Layout.align = "left";
} else {
Layout.appendside = "left";
Layout.align = "right";
}
} else {
Layout.appendside = "right";
Layout.align = "left";
if ( parentLayout.rightList.length > 1 && parentLayout.rightList.length > parentLayout.leftList.length ) {
Layout.appendside = "left";
Layout.align = "right";
} else {
Layout.appendside = "right";
Layout.align = "left";
}
}
}
if ( insert ) {
if ( parent.getType() === "root" ) {
var sideList1 = parentLayout[ Layout.appendside + "List" ];
var idx1 = sideList1.length;
parent.insertChild( node, idx1 );
sideList1.push( node );
var sideList1 = parentLayout[ Layout.appendside + "List" ];
sideList1.push( node );
var idx1;
if ( Layout.appendside === "right" ) {
idx1 = sideList1.length;
} else {
parent.insertChild( node );
idx1 = parent.getChildren().length;
}
parent.insertChild( node, idx1 );
}
}
//设置分支类型
......@@ -539,12 +563,15 @@ KityMinder.registerModule( "LayoutDefault", function () {
var isExpand = ico.icon.switchState();
var node = ico.icon._node;
var _buffer = node.getChildren();
var _cleanbuffer = [];
while ( _buffer.length !== 0 ) {
var Layout = _buffer[ 0 ].getData( "layout" );
if ( isExpand ) {
var parent = _buffer[ 0 ].getParent();
minder.appendChildNode( parent, _buffer[ 0 ] );
Layout.parent = parent;
_cleanbuffer.push( _buffer[ 0 ] );
//minder.appendChildNode( parent, _buffer[ 0 ] );
Layout.connect = null;
Layout.shicon = null;
} else {
......@@ -555,53 +582,21 @@ KityMinder.registerModule( "LayoutDefault", function () {
_buffer = _buffer.concat( _buffer[ 0 ].getChildren() );
_buffer.shift();
}
var set;
if ( isExpand ) set = updateLayoutVertical( node, node.getParent(), "expand" );
else set = updateLayoutVertical( node, node.getParent(), "contract" );
if ( isExpand ) {
node.clearChildren();
for ( var j = 0; j < _cleanbuffer.length; j++ ) {
_cleanbuffer[ j ].clearChildren();
minder.appendChildNode( _cleanbuffer[ j ].getData( "layout" ).parent, _cleanbuffer[ j ] );
}
}
var set = [];
if ( !isExpand ) set = updateLayoutVertical( node, node.getParent(), "contract" );
for ( var i = 0; i < set.length; i++ ) {
translateNode( set[ i ] );
updateConnectAndshIcon( set[ i ] );
}
}
};
this.addLayoutStyle( "default", _style );
return {
// "events": {
// "click": function ( e ) {
// var ico = e.kityEvent.targetShape.container;
// if ( ico.class === "shicon" ) {
// var isShow = ico.icon.switchState();
// var node = ico.icon._node;
// var _buffer;
// if ( isShow ) {
// _buffer = node.getChildren();
// while ( _buffer.length !== 0 ) {
// minder.appendChildNode( _buffer[ 0 ].getParent(), _buffer[ 0 ] );
// _buffer = _buffer.concat( _buffer[ 0 ].getChildren() );
// _buffer.shift();
// }
// } else {
// var Layout = node.getData( "layout" );
// var marginTop = Layout.margin[ 0 ];
// var marginBottom = Layout.margin[ 2 ];
// Layout.branchheight = node.getRenderContainer().getHeight() + marginTop + marginBottom;
// _buffer = node.getChildren();
// while ( _buffer.length !== 0 ) {
// try {
// _buffer[ 0 ].getData( "layout" ).shape.clear();
// _buffer[ 0 ].getRenderContainer().remove();
// } catch ( error ) {}
// _buffer = _buffer.concat( _buffer[ 0 ].getChildren() );
// _buffer.shift();
// }
// var set = updateLayoutVertical( node, node.getParent(), "append" );
// for ( var i = 0; i < set.length; i++ ) {
// translateNode( set[ i ] );
// }
// }
// }
// }
// }
};
return {};
} );
\ No newline at end of file
src/module/layout.js
View file @ 016b3222
......@@ -25,7 +25,15 @@ KityMinder.registerModule( "LayoutModule", function () {
},
initStyle: function () {
var curStyle = this.getCurrentStyle();
this.getRenderContainer().clear();
//this.getRenderContainer().clear();
this._rc.remove();
this._rc = new kity.Group();
this._paper.addShape( this._rc );
var _root = this.getRoot();
_root.preTraverse( function ( n ) {
n.clearLayout();
} );
this.getLayoutStyle( curStyle ).initStyle.call( this );
},
appendChildNode: function ( parent, node, index ) {
......@@ -79,7 +87,7 @@ KityMinder.registerModule( "LayoutModule", function () {
var switchLayout = function ( km, style ) {
var _root = km.getRoot();
_root.preTraverse( function ( n ) {
n.clearLayout();
//n.clearLayout();
n.setPoint();
n.getBgRc().clear();
} );
......
src/protocal/json.js 0 → 100644
View file @ 016b3222
KityMinder.registerProtocal( 'json', function () {
function filter( key, value ) {
if ( key == 'layout' || key == 'shicon' ) {
return undefined;
}
return value;
}
return {
encode: function ( json ) {
return JSON.stringify( json, filter );
},
decode: function ( local ) {
return JSON.parse( local );
},
recognize: function ( local ) {
return Utils.isString( local ) && local.charAt( 0 ) == '{' && local.charAt( local.length - 1 ) == '}';
}
};
} );
\ No newline at end of file
src/protocal/plain.js 0 → 100644
View file @ 016b3222
KityMinder.registerProtocal( "plain", function () {
var LINE_ENDING = '\n',
TAB_CHAR = '\t';
function repeat( s, n ) {
var result = "";
while ( n-- ) result += s;
return result;
}
function encode( json, level ) {
var local = "";
level = level || 0;
local += repeat( TAB_CHAR, level );
local += json.data.text + LINE_ENDING;
if ( json.children ) {
json.children.forEach( function ( child ) {
local += encode( child, level + 1 );
} );
}
return local;
}
function isEmpty( line ) {
return !/\S/.test( line );
}
function getLevel( line ) {
var level = 0;
while ( line.charAt( level ) === TAB_CHAR ) level++;
return level;
}
function getNode( line ) {
return {
data: {
text: line.replace( new RegExp( '^' + TAB_CHAR + '*' ), '' )
}
};
}
function decode( local ) {
var json,
parentMap = {},
lines = local.split( LINE_ENDING ),
line, level, node;
function addChild( parent, child ) {
var children = parent.children || ( parent.children = [] );
children.push( child );
}
for ( var i = 0; i < lines.length; i++ ) {
line = lines[ i ];
if ( isEmpty( line ) ) continue;
level = getLevel( line );
node = getNode( line );
if ( level === 0 ) {
if ( json ) {
throw new Error( 'Invalid local format' );
}
json = node;
} else {
if ( !parentMap[ level - 1 ] ) {
throw new Error( 'Invalid local format' );
}
addChild( parentMap[ level - 1 ], node );
}
parentMap[ level ] = node;
}
return json;
}
var lastTry, lastResult;
function recognize( local ) {
if ( !Utils.isString( local ) ) return false;
lastTry = local;
try {
lastResult = decode( local );
} catch ( e ) {
lastResult = null;
}
return !!lastResult;
}
return {
encode: function ( json ) {
return encode( json, 0 );
},
decode: function ( local ) {
if ( lastTry == local && lastResult ) {
return lastResult;
}
return decode( local );
},
recognize: recognize
};
} );
\ No newline at end of file
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