META-INF.assets.rjzjh.echarts.src.chart.treemap.helper.js Maven / Gradle / Ivy
define(function (require) {
var zrUtil = require('zrender/core/util');
var helper = {
retrieveTargetInfo: function (payload, seriesModel) {
if (payload
&& (
payload.type === 'treemapZoomToNode'
|| payload.type === 'treemapRootToNode'
)
) {
var root = seriesModel.getData().tree.root;
var targetNode = payload.targetNode;
if (targetNode && root.contains(targetNode)) {
return {node: targetNode};
}
var targetNodeId = payload.targetNodeId;
if (targetNodeId != null && (targetNode = root.getNodeById(targetNodeId))) {
return {node: targetNode};
}
}
},
// Not includes the given node at the last item.
getPathToRoot: function (node) {
var path = [];
while (node) {
node = node.parentNode;
node && path.push(node);
}
return path.reverse();
},
aboveViewRoot: function (viewRoot, node) {
var viewPath = helper.getPathToRoot(viewRoot);
return zrUtil.indexOf(viewPath, node) >= 0;
}
};
return helper;
});