<!--
@license
Copyright 2016 The TensorFlow Authors. All Rights Reserved.

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.
-->

<link rel="import" href="../polymer/polymer.html">
<link rel="import" href="../tf-graph/tf-graph.html">
<link rel="import" href="../tf-graph-info/tf-graph-info.html">
<link rel="import" href="../paper-progress/paper-progress.html">

<!--
Element for putting tf-graph and tf-graph-info side by side.

Example

  <tf-graph-board graph=[[graph]]></tf-graph-board>

-->
<dom-module id="tf-graph-board">
<template>
<style>
::host {
  display: block;
}

/deep/ .close {
  position: absolute;
  cursor: pointer;
  left: 15px;
  bottom: 15px;
}

.container {
  width: 100%;
  height: 100%;
  opacity: 1;
}

.container.loading {
  cursor: progress;
  opacity: 0.1;
}

.container.loading.error {
  cursor: auto;
}

#info {
  position: absolute;
  right: 5px;
  top: 5px;
  padding: 0px;
  max-width: 380px;
  min-width: 320px;
  background-color: rgba(255,255,255,0.9);
  @apply(--shadow-elevation-2dp);
}

#main {
  width: 100%;
  height: 100%;
}

#progress-bar {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 100%;
  position: absolute;
  top: 40px;
  left: 0;
  font-size: 13px;
}

#progress-msg {
  width: 400px;
  margin-bottom: 5px;
}

paper-progress {
  width: 400px;
  --paper-progress-height: 6px;
  --paper-progress-active-color: #f3913e;
}

.context-menu {
  position: absolute;
  display: none;
  background-color: #e2e2e2;
  border-radius: 2px;
  font-size: 14px;
  min-width: 150px;
  border: 1px solid #d4d4d4;
}

/deep/ .context-menu ul {
  list-style-type: none;
  margin: 0;
  padding: 0;
  cursor: default;
}

/deep/ .context-menu ul li {
  padding: 4px 16px;
}

/deep/ .context-menu ul li:hover {
  background-color: #f3913e;
  color: white;
}
</style>
<template is="dom-if" if="[[_isNotComplete(progress)]]">
  <div id="progress-bar">
    <div id="progress-msg">[[progress.msg]]</div>
    <paper-progress value="[[progress.value]]"></paper-progress>
  </div>
</template>
<div class$="[[_getContainerClass(progress)]]">
  <div id="main">
    <tf-graph id="graph"
              graph-hierarchy="{{graphHierarchy}}"
              basic-graph="[[graph]]"
              hierarchy-params="[[hierarchyParams]]"
              render-hierarchy="{{renderHierarchy}}"
              devices-for-stats="[[devicesForStats]]"
              stats="[[stats]]"
              selected-node="{{_selectedNode}}"
              highlighted-node="{{_highlightedNode}}"
              color-by="[[colorBy]]"
              color-by-params="{{colorByParams}}"
              progress="{{progress}}"
    ></tf-graph>
  </div>
  <div id="info">
    <tf-graph-info id="graph-info"
              title="selected"
              graph-hierarchy="[[graphHierarchy]]"
              render-hierarchy="[[renderHierarchy]]"
              graph="[[graph]]"
              selected-node="{{_selectedNode}}"
              selected-node-include="{{_selectedNodeInclude}}"
              highlighted-node="{{_highlightedNode}}"
              color-by="[[colorBy]]"
              color-by-params="[[colorByParams]]"
    ></tf-graph-info>
  </div>
  <div class="context-menu"></div>
</div>
</template>
</dom-module>

<script>
Polymer({
  is: 'tf-graph-board',
  properties: {
    // Public API.
    graphHierarchy: Object,
    graph: Object,
    stats: Object,
    /**
     * @type {value: number, msg: string}
     *
     * A number between 0 and 100 denoting the % of progress
     * for the progress bar and the displayed message.
     */
    progress: Object,
    colorBy: String,
    colorByParams: {
      type: Object,
      notify: true
    },
    renderHierarchy: {
      type: Object,
      notify: true
    },
    // Private API: Data routing between child components.
    _selectedNode: String,
    // The enum value of the include property of the selected node.
    _selectedNodeInclude: Number,
    _highlightedNode: String
  },
  listeners: {
    'node-toggle-extract': '_nodeToggleExtract'
  },
  observers: [
    '_updateNodeInclude(_selectedNode)'
  ],
  /** True if the progress is not complete yet (< 100 %). */
  _isNotComplete: function(progress) {
    return progress.value < 100;
  },
  _getContainerClass: function(progress) {
    var result = 'container';
    if (progress.error) {
      result += ' error';
    }
    if (this._isNotComplete(progress)) {
      result += ' loading';
    }
    return result;
  },
  _updateNodeInclude: function(nodeName) {
    var node = this.graphHierarchy.node(nodeName);
    this.set("_selectedNodeInclude",
      node ? node.include : tf.graph.InclusionType.UNSPECIFIED);
  },
  _nodeToggleExtract: function() {
    this._updateNodeInclude(this._selectedNode);
  }
});
</script>
