/**
* HTML Decorator
* Decorates HTML nodes in a tree
*
* Copyright 2020, 2021 Rolf Bagge, Janus B. Kristensen, CAVI,
* Center for Advanced Visualization and Interacion, Aarhus University
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
**/
/**
* Decorator that decorates HTML elements
*/
class TreeBrowserHtmlDecorator {
/**
* Attempts to decorate the given TreeNode
* @param {TreeNode} node - The node to decorate
* @returns {boolean} True/False depending on if the node was decorated
*/
static decorate(node) {
if(node.type === "DomTreeNode") {
let id = (node.context.id!=null && node.context.id.trim().length > 0)?" #"+node.context.id:"";
let name = (node.context.getAttribute("name")!=null && node.context.getAttribute("name").trim().length > 0)?" "+node.context.getAttribute("name"):"";
node.setProperty("content", node.context.tagName.toLowerCase()+id+name);
node.setProperty("tooltip", "HTML DOM Element");
let icon = null;
switch (node.context.tagName.toLowerCase()){
case "body":
icon = IconRegistry.createIcon("mdc:accessibility_new");
break;
case "script":
icon = IconRegistry.createIcon("mdc:code");
break;
case "style":
icon = IconRegistry.createIcon("mdc:brush");
break;
case "ol":
case "ul":
icon = IconRegistry.createIcon("mdc:list");
break;
default:
icon = IconRegistry.createIcon("mdc:html");
break;
}
node.setProperty("icon", icon);
return true;
}
return false;
}
/**
* Attempts to decorate the given DataTransfer based on the given TreeNode
* @param {TreeNode} node
* @param {DataTransfer} dataTransfer
* @returns {boolean} True/False depending on if the DataTransfer was decorated
*/
static decorateDataTransfer(node, dataTransfer) {
if(node.type === "DomTreeNode") {
dataTransfer.setData("text/plain", node.context.outerHTML);
return true;
}
return false;
}
}
window.TreeBrowserHtmlDecorator = TreeBrowserHtmlDecorator;
TreeGenerator.registerDecorator(TreeBrowserHtmlDecorator, 0);