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<!DOCTYPE html>
<html>
<head>
  <title><%= title %></title>
  <link rel='stylesheet' href='/stylesheets/style.css' />
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  <script src="https://unpkg.com/vue"></script>
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</head>
<body>
  <h1><%= title %></h1>
  <div id="files"></div>
  <script src="https://unpkg.com/axios/dist/axios.min.js"></script>
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  <!-- Vue app element -->
        <h1><a v-bind:href="'?path=' + files.up">.. </a></h1>

      <template v-if="context">
      {{this.changed}}
          <h2 v-bind:id="id">
            <form v-on:submit.prevent="removeItem(id)">
             
              <button type="submit">-</button> {{ id }} 
        <img width="60%" v-bind:src='item.img'>
        <table width="100%" >
          
          <tr v-for="(values, name) in item">
            <td>
                <form v-on:submit.prevent="removeProp(item, name)" style='display:inline;'>                     
                    <button type="submit">-</button>
                </form>
                {{ name }}
                
            </td>
            <td>
                <form v-on:submit.prevent="addProp(item, name)" style='display:inline;'>                     
                    <button type="submit">+</button>
                </form>
            </td>
            <td>               
             
                  <div v-for="(val, i_index) in values">
                      
                      
                      
                      <template v-if="schema.properties[name] && schema.properties[name].input === 'text'">
                          <input v-model="val.value" type="text" size="45" v-on:keyup="trigger_change_on_enter"/>
                       </template>

                       
                       <template v-else-if="val && val.id && context[val.id] && context[val.id].name">
                          <form v-on:submit.prevent="unlinkProp(val)" style='display:inline;'>                     
                              <button type="submit">-</button>
                          </form>
                          <a v-bind:href="'#' + val.id">{{ context[val.id].name[0].value }}</b></a>
                            
                        </template>

                       <b v-else>
                          {{ val.value }}
                      </b>
                      
                       
                       
                        <template v-if="schema.properties[name] && schema.properties[name].input === 'link' " >
                            <form v-on:submit.prevent="linkProp(val)" style='display:inline;'>      
                                <button type="submit"> -> </button>               
                            <select  v-model="link_to_id" >
                                
                                <template v-for="(link_item, link_id) in context">
                                  <template v-for="other_name in link_item.name">  
                                    <option v-if="(!val.id || link_id != val.id) && schema.properties[name] && link_item.type && schema.properties[name].type.includes(link_item.type[0].value)" v-bind:value="link_id">{{ other_name.value  }}</select>
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          <form v-on:submit.prevent="addContextProp(item)">
              <select  v-model="prop_name"  >
                <template v-for="(prop, prop_name) in schema.properties">
                  <option v-if="!item[prop_name]">{{prop_name}}</option>
                </template>
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                </select>
              <button type="submit">+</button>
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          </form>
          <br><br>
        </template>
            
        
        <form v-on:submit.prevent="addContext(context)">
            <select  v-model="type" >
               <option v-for="(type, type_name) in schema.types" v-bind:value="type_name"> {{ type_name }} </option>
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              </select>
            <button type="submit">Add contextual item</button>
        </form>

      <h1>
        <a v-bind:href="'/?path=' + path + '&dataset_path=' +  path">
        <template v-if="files.existing_describo">
            Edit exsiting data package
        </template>
        <template v-else>
            Package a dataset here
        </template>
       </a> </h1>
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     <div id="filelist" border="1">
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       <div v-for="(file, path) in files.files">
         <template v-if="!(context[file.id])">
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         <h1>{{ file.filename }}</h1>
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         <img width="50%" v-bind:src='file.img'>
         <form v-if="context" v-on:submit.prevent="addFile(file)">
            <button type="submit">Add file to package</button>
        </form>
      </template>
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       </div>
      </div>
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      <div id="filelist" border="1">
          <ul v-for="dir in files.dirs">
            <li><a v-bind:href="'?path=' + dir.absolute">{{ dir.name }}</a></li>
          </ul>
      </div>

      
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    </div>
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  </div>
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  <!-- end Vue app element -->


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  <script>
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  var vue;
  
  var files = {};
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  document.addEventListener("DOMContentLoaded", function(event) {
     const urlParams = new URLSearchParams(window.location.search);
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     const path = urlParams.get('path');
     const dataset_path = urlParams.get('dataset_path');
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    axios.get('/files?path=' + path)
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    .then(function (response) {
      var params =  dataset_path ? '?dataset_path=' + dataset_path : ""
      axios.get("/context_entities" + params).then(function(response){
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      context = response.data;
      axios.get("/schema").then(function(response){
      schema = response.data;
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      // handle success
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      vue = new Vue({
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        el: "#app",
        data: {
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          files: files,
          context: context,
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          prop: {"name":"nom", "value": "val"},
          type: "Person",
          prop_name: "",
          latest_id: 0,
          path: path,
          dataset_path: dataset_path
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        },
        methods: {
            "save_context": function save_context() {
                  var params = '?dataset_path=' + this.dataset_path;
                  axios.post('/context_entities' + params, this.context).then(
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                  )
                },
            "addContextProp": function addContextProp(item){
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              var prop_name = this.prop_name;
              if (item[prop_name]) {
                   item[prop_name].push({"value": "", "id": ""});
               } else {
                  item[prop_name] = [{"value": "", "id": ""}];
              }
              this.changed += 1;                
              this.save_context();         
            },
            "addProp": function addProp(item, prop_name){
              if (item[prop_name]) {
                   item[prop_name].push({"value": "", "id": ""});
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               } else {
              this.changed += 1;                
              this.save_context();
            },
            "removeProp": function removeProp(item, prop_name){
              delete item[prop_name];
              this.changed += 1;   
              this.save_context();         
            trigger_change_on_enter: function(e) {
              if (e.keyCode === 13) {
               this.changed += 1;
               this.save_context();
              } 
              
            "linkProp": function linkProp(val) {   
               val.value = context[this.link_to_id].name[0].value
               val.id = this.link_to_id
               this.changed += 1;  
            "unlinkProp": function unlinkProp(val) {   
               val.value = ""
               val.id = ""
               this.changed += 1;  
               this.save_context();     
            },
            "addFile": function addFile(file) {
              if (!context[file.id]) {
                var new_item = JSON.parse(JSON.stringify(schema.types.File.template));
                new_item.name[0].value = file.id;
                new_item.img = file.img;
                context[file.id] = new_item;

                this.changed += 1;  
                this.save_context();
              }
               else {
                 alert("Already got that file"); //Should never fire but you never know
               }
              
            },

            "removeItem": function remove_item(id) {
              
              delete context[id];
              this.changed += 1;
              this.save_context();
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            },
            "addContext": function addContext(context){
              while (context[this.latest_id.toString()]) {
                this.latest_id += 1;
              var id = this.latest_id.toString();
              context[id] = JSON.parse(JSON.stringify(schema.types[this.type].template));
              context[id].name=[{"value": this.id}]
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      });
      //document.getElementById("files").innerHTML = response['data'].model;
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    })
    .catch(function (error) {
      // handle error
      console.log(error);
    })
    .then(function () {
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      console.log("done")
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      // always executed
    });
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  </script>
</body>

</html>