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annotate pep.js @ 3:5aa1bf7154b0

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Add a simple PEP node viewer and editor.
author Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
date Sat, 22 Dec 2018 02:23:38 +0100
parents
children c2e2b107c7c1
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5aa1bf7154b0 Add a simple PEP node viewer and editor.
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1 'use strict';
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2
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3 function initPEP(connection) {
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4 const pep_table = document.getElementById('pep-table');
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5
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6 const iq = $iq({type: 'get'})
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7 .c('query', {xmlns: NS.disco_items});
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8 connection.sendIQ(iq, onDiscoItems, onDiscoItemsError.bind(null, 'disco#items query failed.'));
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9
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10 function onDiscoItems(result_iq)
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11 {
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12 const items = parseXPath(result_iq, './disco_items:query/disco_items:item', XPathResult.ORDERED_NODE_ITERATOR_TYPE);
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13 while (true) {
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14 const item = items.iterateNext();
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15 if (!item)
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16 break;
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17 const node = item.getAttributeNS(null, 'node');
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18 const tr = document.createElementNS('http://www.w3.org/1999/xhtml', 'tr');
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19 const td = document.createElementNS('http://www.w3.org/1999/xhtml', 'td');
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20 td.textContent = node;
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21 tr.appendChild(td);
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22 pep_table.appendChild(tr);
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23 const iq = $iq({type: 'get'})
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24 .c('query', {xmlns: NS.disco_info, node: node});
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25 connection.sendIQ(iq, onDiscoInfo.bind(tr), onDiscoInfoError.bind(tr, 'disco#items query failed.'));
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26 }
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27 }
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28
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29 function onDiscoItemsError(string)
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30 {
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31 console.log('Failed to retrieve the list of PEP nodes: ' + string);
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32 }
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33
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34 function onDiscoInfo(result_iq)
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35 {
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36 const tr = this;
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37 const node = parseXPath(result_iq, './disco_info:query').getAttributeNS(null, 'node');
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38 const fields = parseXPath(result_iq, './disco_info:query/dataforms:x/dataforms:field', XPathResult.ORDERED_NODE_ITERATOR_TYPE);
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39 const parsed_fields = {};
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40 while (true) {
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41 const field = fields.iterateNext();
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42 if (!field)
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43 break;
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44 const type = field.getAttributeNS(null, 'type');
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45 if (type == 'hidden')
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46 continue;
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47 const var_ = field.getAttributeNS(null, 'var');
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48 const value = parseXPath(field, './dataforms:value');
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49 parsed_fields[var_] = value ? value.textContent : '';
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50 }
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51 for (let i of ['pubsub#title', 'pubsub#description', 'pubsub#type']) {
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52 const td = document.createElementNS('http://www.w3.org/1999/xhtml', 'td');
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53 const input = document.createElementNS('http://www.w3.org/1999/xhtml', 'input');
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54 input.value = parsed_fields[i];
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55 input.onblur = function (evt) {
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56 const iq = configurePEPField(node, i, evt.target.value);
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57 connection.sendIQ(iq, onPEPConfigured, onPEPConfigureError.bind(null, 'PubSub configuration failed.'));
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58 };
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59 td.appendChild(input);
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60 tr.appendChild(td);
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61 }
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62 const td = document.createElementNS('http://www.w3.org/1999/xhtml', 'td');
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63 const button = document.createElementNS('http://www.w3.org/1999/xhtml', 'button');
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64 button.textContent = 'Delete this node';
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65 button.onclick = function (evt) {
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66 const iq = $iq({type: 'set'})
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67 .c('pubsub', {xmlns: NS.pubsub_owner})
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68 .c('delete', {node: node});
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69 connection.sendIQ(iq, onNodeDeleted.bind(node), onNodeDeletionError.bind(node, 'PEP node deletion failed.'));
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70 };
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71 td.appendChild(button);
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72 tr.appendChild(td);
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73 }
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74
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75 function onDiscoInfoError(string)
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76 {
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77 console.log('Failed to retrieve PEP node info: ' + string);
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78 }
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79
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80 function onPEPConfigured(result_iq)
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81 {
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82 console.log('PEP node successfully configured.');
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83 }
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84
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85 function onPEPConfigureError(string)
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86 {
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87 console.log('Configuration of PEP node failed: ' + string);
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88 }
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89
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90 function onNodeDeleted(result_iq)
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91 {
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92 const node = this;
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93 for (let child of pep_table.children) {
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94 if (node != child.firstChild.textContent)
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95 continue
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96 child.remove();
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97 break;
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98 }
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99 console.log('Node “' + node + '” successfully deleted.');
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100 }
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101
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102 function onNodeDeletionError(string)
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103 {
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104 const node = this;
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105 console.log('Deletion of PEP node “' + node + '” failed: ' + string);
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106 }
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107 }