我想做的是创建一个带有自定义类用于端口和路径的元素,以便我可以添加具有自定义路径和自己标记的元素。这样,当我创建一个元素时,我将传递动态路径以使其形状就像路径类的元素一样,并且由于我也扩展自PortsModelInterface,我还将拥有自己的端口标记。
整个努力的目的是使svg在缩放时可伸缩。之前我使用带有自定义端口的html自定义元素,但自定义元素的html在缩放时不会缩放。
整个努力的目的是使svg在缩放时可伸缩。之前我使用带有自定义端口的html自定义元素,但自定义元素的html在缩放时不会缩放。
var graph = new joint.dia.
var paper = new joint.dia.Paper({
el: $('#paper'),
width: 800,
height: 600,
gridSize: 1,
model: graph,
snapLinks: true,
embeddingMode: true
});
joint.shapes.custom1={};
joint.shapes.custom1.Element = joint.shapes.basic.Generic.extend(_.extend({}, joint.shapes.basic.PortsModelInterface, {
markup: '<g class="rotatable"><g class="scalable"><rect class = "myrect"/></g><g class="inPorts"/><g class="outPorts"/></g>',
portMarkup: '<g class="port<%= id %>"><circle class="port-body"/></g>',
defaults: joint.util.deepSupplement({
type: 'html.Element',
size: { width: 200, height: 110 },
inPorts: [],
outPorts: [],
attrs: {
'.': { magnet: true},
rect: {
stroke: 'none', 'fill-opacity': 0, width: 300, height: 210,
},
circle: {
r: 6, //circle radius
magnet: true,
left:0,
stroke: 'gray'
},
'.inPorts circle': { fill: 'gray', magnet: 'passive', type: 'input', y: 0},
'.outPorts circle': { fill: 'gray', type: 'output' }
}
}, joint.shapes.basic.Generic.prototype.defaults),
getPortAttrs: function (portName, index, total, selector, type) {
var attrs = {};
var portClass = 'port' + index;
var portSelector = selector + '>.' + portClass;
var portCircleSelector = portSelector + '>circle';
attrs[portCircleSelector] = { port: { id: portName || _.uniqueId(type), type: type } };
attrs[portSelector] = { ref: 'rect', 'ref-x': (index + 1) * (0.55 / total)};
if (selector === '.outPorts') {
attrs[portSelector]['ref-dy'] = 15;
}
return attrs;
}
}));
joint.shapes.custom1.Atomic = joint.shapes.custom1.Element.extend({
markup: '<g class="rotatable"><g class="scalable"><path/></g><text/></g>',
defaults: joint.util.deepSupplement({
type: 'basic.Path',
size: { width: 60, height: 60 },
attrs: {
'path': { fill: '#FFFFFF', stroke: 'black' },
'text': { 'font-size': 14, text: '', 'text-anchor': 'middle', 'ref-x': .5, 'ref-dy': 20, ref: 'path', 'y-alignment': 'middle', fill: 'black', 'font-family': 'Arial, helvetica, sans-serif' }
}
}, joint.shapes.basic.Generic.prototype.defaults)
});
var a2 = new joint.shapes.custom1.Atomic({
position: { x: 50, y: 260 },
size: { width: 100, height: 100 },
attrs: {
path: { d: 'M 30 0 L 60 30 30 60 0 30 z' },
text: {
text: 'Diamond',
'ref-y': .5 // basic.Path text is originally positioned under the element
}
},
inPorts: ['in'],
outPorts: ['out']
});
graph.addCells([a2])
元素已经在图表中添加,但某些端口未显示。 我对添加类的概念不太了解,希望得到任何帮助将不胜感激。谢谢。 演示例子
backbone.js
有什么关系? - ivarni