我只想在 CHANGE 事件触发时更改一些样式。但是当我通过插入或移动顶点或边来更改模型时,样式并没有改变。在我再次更改任何内容后,更改的顶点将更改其样式。有人知道为什么吗?
这是我的代码:
graph.getModel().addListener(mxEvent.CHANGE, function(sender, evt){
if(graphInited){
graph.getModel().beginUpdate();
try {
var changes = evt.getProperty('edit').changes;
for (var i = 0; i < changes.length; i++) {
var change = changes[i];
var state = graph.view.getState(change.cell);
if(state!=null){//color #1C86EE means new insert
if(state.style[mxConstants.STYLE_IMAGE_BACKGROUND]!="#1C86EE"
&& state.style[mxConstants.STYLE_STROKECOLOR]!="#1C86EE"
&& state.style[mxConstants.STYLE_FONTCOLOR]!="#1C86EE"){
graph.setCellStyles(mxConstants.STYLE_IMAGE_BACKGROUND, '#68228B', [change.cell]);
graph.setCellStyles(mxConstants.STYLE_STROKECOLOR, '#68228B', [change.cell]);
}
}
}
} finally {
graph.getModel().endUpdate();
}
}
});