mirror of
https://github.com/servo/servo.git
synced 2025-10-04 02:29:12 +01:00
345 lines
14 KiB
HTML
345 lines
14 KiB
HTML
<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="utf-8">
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<meta http-equiv="X-UA-Compatible" content="IE=edge">
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<meta name="viewport" content="width=device-width, initial-scale=1">
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<title>Servo Layout Debugger</title>
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<!-- Bootstrap -->
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<link href="css/bootstrap.min.css" rel="stylesheet">
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<!-- Treeview -->
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<link href="css/bootstrap-treeview.min.css" rel="stylesheet">
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<!-- JSDiffPatch -->
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<link href="css/formatters/html.css" rel="stylesheet">
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<!-- Custom -->
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<link href="css/main.css" rel="stylesheet">
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<!--[if lt IE 9]>
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<script src="https://oss.maxcdn.com/html5shiv/3.7.2/html5shiv.min.js"></script>
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<script src="https://oss.maxcdn.com/respond/1.4.2/respond.min.js"></script>
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<![endif]-->
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</head>
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<body>
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<div class="container" role="main">
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<div class="row">
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<div class="col-sm-12">
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<h1> Servo Layout Viewer </h1>
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<p> Check the <a href="https://github.com/servo/servo/blob/master/etc/layout_viewer/README.md">README</a> for instructions.</p>
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</div>
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</div>
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<div class="row">
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<div class="col-sm-4">
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<div class="row">
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<div class="col-sm-12">
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<div class="well">
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<input type=file>
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</div>
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</div>
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</div>
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<div class="row">
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<div class="col-sm-12">
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<div id="trace-tree">
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</div>
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</div>
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</div>
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<div class="row">
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<div class="col-sm-12">
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<ul id="trace-list" class="list-group">
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</ul>
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</div>
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</div>
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</div>
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<div class="col-sm-8">
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<div class="row">
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<div class="col-sm-12">
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<div class='panel panel-default'>
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<div class='panel-heading'>Box Tree</div>
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<div class='panel-body' id="box-tree"></div>
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</div>
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</div>
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</div>
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<div class="row">
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<div class="col-sm-12">
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<div class='panel panel-default'>
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<div class='panel-heading'>Fragment Tree</div>
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<div class='panel-body' id="fragment-tree"></div>
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</div>
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</div>
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<div class="col-sm-12">
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<div id="fragment-diffs"></div>
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</div>
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</div>
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</div>
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</div>
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<div id="toolbar">
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<a href="#" id="prev_trace">< Prev step</a>
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<a href="#" id="next_trace">Next step ></a>
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<br>
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<input type="checkbox" name="show_unchanged" id="show_unchanged" />
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<label for="show_unchanged">Show unchanged code</label>
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<br>
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<a href="#top">Back to top</a>
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</div>
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</div>
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<!-- jQuery -->
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<script src="js/jquery.min.js"></script>
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<!-- Bootstrap -->
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<script src="js/bootstrap.min.js"></script>
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<!-- Treeview -->
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<script src="js/bootstrap-treeview.min.js"></script>
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<!-- JSDiffPatch -->
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<script src="js/bundle.min.js"></script>
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<script src="js/formatters.min.js"></script>
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<script>
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function get_inner_boxes(box) {
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const box_type = Object.keys(box)[0];
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switch (box_type) {
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case "BlockLevelBoxes":
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return box.BlockLevelBoxes;
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case "InlineFormattingContext":
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return box.InlineFormattingContext.inline_level_boxes;
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case "InlineBox":
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return box.InlineBox.children;
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case "SameFormattingContextBlock":
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case "Independent":
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case "Flow":
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case "OutOfFlowAbsolutelyPositionedBox":
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case "OutOfFlowFloatBox":
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case "Atomic":
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return box[box_type].contents;
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}
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return null;
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}
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function box_tree_from_container(container) {
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const box_type = Object.keys(container)[0];
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let inner_boxes = get_inner_boxes(container);
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let nodes = [];
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let text = box_type;
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if (Array.isArray(inner_boxes)) {
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if (!inner_boxes.length) {
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nodes = null;
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} else {
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for (let box in inner_boxes) {
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nodes.push(box_tree_from_container(inner_boxes[box]));
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}
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}
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} else if (inner_boxes != null) {
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nodes.push(box_tree_from_container(inner_boxes));
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} else {
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if (box_type == "TextRun") {
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text += ` (${container.TextRun.text})`;
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}
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nodes = null;
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}
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return {
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text,
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nodes,
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}
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}
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function box_tree_from_bfc(bfc) {
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const { contains_floats, contents } = bfc;
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var block_container = Object.values(contents)[0];
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return {
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text: "BlockFormattingContext",
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info: {
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contains_floats,
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},
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nodes: [box_tree_from_container(contents)]
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};
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}
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function create_fragment_tree(root) {
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var fragment = Object.values(root)[0];
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var node = {
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text: Object.keys(root)[0],
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id: fragment.debug_id,
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icon: "dummy",
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href: "#diff-" + fragment.debug_id
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};
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if (fragment.children) {
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var children = [];
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for (var i=0 ; i < fragment.children.length ; ++i) {
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children.push(create_fragment_tree(fragment.children[i]));
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}
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if (children.length > 0) {
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node.nodes = children;
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}
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}
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return node;
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}
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function get_fragments_info(node, fragments_info) {
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const fragmentType = Object.keys(node)[0];
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const trace_node = Object.assign({}, Object.values(node)[0]);
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let data = Object.assign({}, trace_node);
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delete data.children;
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delete data.debug_id;
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fragments_info[trace_node.debug_id] = {
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class: fragmentType,
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data,
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};
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if (trace_node.children) {
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for (var i=0 ; i < trace_node.children.length ; ++i) {
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get_fragments_info(trace_node.children[i], fragments_info);
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}
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}
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}
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function flatten_trace(trace_node) {
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const fragment_tree_root = Object.values(trace_node.fragment_tree)[0];
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var fragments_info = {};
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get_fragments_info(fragment_tree_root, fragments_info);
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return {
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fragment_tree: create_fragment_tree(fragment_tree_root),
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box_tree: box_tree_from_bfc(trace_node.box_tree),
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fragments_info,
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};
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}
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function create_trace_tree_node(trace_node) {
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var pre_trace = flatten_trace(trace_node.pre);
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var post_trace = flatten_trace(trace_node.post);
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var tree_node = {
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text: trace_node.name,
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icon: "dummy",
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box_tree: pre_trace.box_tree,
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fragment_tree: pre_trace.fragment_tree,
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pre_boxes_info: pre_trace.boxes_info,
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post_boxes_info: post_trace.boxes_info,
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pre_fragments_info: pre_trace.fragments_info,
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post_fragments_info: post_trace.fragments_info,
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};
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var trace_node = Object.values(trace_node)[0];
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if (trace_node.children) {
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var children = [];
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for (var i=0 ; i < trace_node.children.length ; ++i) {
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children.push(create_trace_tree_node(trace_node.children[i]));
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}
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if (children.length > 0) {
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tree_node.nodes = children;
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}
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}
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return tree_node;
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}
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function update_fragment_tree_bgcolor(fragment_tree_node, node_color_hash) {
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fragment_tree_node.backColor = node_color_hash[fragment_tree_node.debug_id];
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if (fragment_tree_node.nodes !== undefined) {
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for (var i=0 ; i < fragment_tree_node.nodes.length ; ++i) {
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update_fragment_tree_bgcolor(fragment_tree_node.nodes[i], node_color_hash)
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}
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}
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}
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function new_data_loaded(data) {
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jsondiffpatch.formatters.html.hideUnchanged();
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var node_color_hash = {};
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var tree = [ create_trace_tree_node(data) ];
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$('#trace-tree').treeview({data: tree, levels: 3});
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$('#trace-tree').on('nodeSelected', function(event, node) {
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$("#fragment-diffs").empty();
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$('#trace-tree').treeview(true).revealNode(node);
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for (var key in node.pre_fragments_info) {
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var fragment_info_left = node.pre_fragments_info[key];
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var fragment_info_right = node.post_fragments_info[key];
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var delta = jsondiffpatch.create({
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objectHash: function(obj) {
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return JSON.stringify(obj);
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}
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}).diff(fragment_info_left, fragment_info_right);
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if (!delta) {
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delta = jsondiffpatch.create({
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objectHash: function(obj) {
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return JSON.stringify(obj);
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}
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}).diff({}, fragment_info_right);
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}
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if (delta !== undefined) {
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var diff_id = "diff-" + key;
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$("#fragment-diffs").append(
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"<div class='panel panel-default' id='" +
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diff_id +
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"'><div class='panel-heading'>" +
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fragment_info_left.class + " (" + key + ")" +
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"</div><div class='panel-body'></div></div>");
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document.getElementById(diff_id).getElementsByClassName('panel-body')[0].innerHTML =
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jsondiffpatch.formatters.html.format(delta, fragment_info_left);
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node_color_hash[key] = "rgba(255, 0, 0, 0.7)";
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} else {
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node_color_hash[key] = "rgb(212, 248, 212)";
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}
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}
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update_fragment_tree_bgcolor(node.fragment_tree, node_color_hash);
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$('#fragment-tree').treeview({data: [node.fragment_tree], levels: 100, enableLinks: true, emptyIcon: "glyphicon glyphicon-unchecked hidden-glyphicon"});
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$('#box-tree').treeview({data: [node.box_tree], levels: 100, enableLinks: true, emptyIcon: "glyphicon glyphicon-unchecked hidden-glyphicon"});
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});
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$('#trace-tree').treeview(true).selectNode(0);
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}
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function register_toggle_unchanaged_code_handler() {
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var show_unchange_box = document.getElementById("show_unchanged");
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show_unchange_box.addEventListener("change", function(evt){
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jsondiffpatch.formatters.html.showUnchanged(show_unchange_box.checked, null, 800);
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});
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}
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function register_prev_next_trace_node() {
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var prev_btn = document.getElementById("prev_trace");
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var next_btn = document.getElementById("next_trace");
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prev_btn.addEventListener("click", function(evt){
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var node_id = $("#trace-tree").treeview(true).getSelected()[0].nodeId;
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// We deliberatly choose to ignore the node_id out of bound case,
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// since it won't break the UI usability
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$("#trace-tree").treeview(true).selectNode(node_id - 1);
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});
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next_btn.addEventListener("click", function(evt){
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var node_id = $("#trace-tree").treeview(true).getSelected()[0].nodeId;
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$("#trace-tree").treeview(true).selectNode(node_id + 1);
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});
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}
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$( document ).ready(function() {
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var upload = document.getElementsByTagName('input')[0];
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upload.onchange = function (e) {
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e.preventDefault();
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var file = upload.files[0],
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reader = new FileReader();
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reader.onload = function (event) {
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new_data_loaded(JSON.parse(event.target.result));
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};
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reader.readAsText(file);
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return false;
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};
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register_toggle_unchanaged_code_handler();
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register_prev_next_trace_node();
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});
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</script>
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</body>
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</html>
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