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310 lines
12 KiB
JavaScript
310 lines
12 KiB
JavaScript
// entityList.js
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//
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// Created by Ryan Huffman on 19 Nov 2014
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// Copyright 2014 High Fidelity, Inc.
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//
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// Distributed under the Apache License, Version 2.0.
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// See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
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var entities = {};
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var selectedEntities = [];
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var currentSortColumn = 'type';
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var currentSortOrder = 'des';
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var entityList = null;
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var refreshEntityListTimer = null;
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const ASCENDING_STRING = '▾';
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const DESCENDING_STRING = '▴';
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const LOCKED_GLYPH = "";
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const VISIBLE_GLYPH = "";
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const DELETE = 46; // Key code for the delete key.
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const MAX_ITEMS = Number.MAX_VALUE; // Used to set the max length of the list of discovered entities.
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debugPrint = function (message) {
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console.log(message);
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};
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function loaded() {
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openEventBridge(function() {
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entityList = new List('entity-list', { valueNames: ['name', 'type', 'url', 'locked', 'visible'], page: MAX_ITEMS});
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entityList.clear();
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elEntityTable = document.getElementById("entity-table");
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elEntityTableBody = document.getElementById("entity-table-body");
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elRefresh = document.getElementById("refresh");
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elToggleLocked = document.getElementById("locked");
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elToggleVisible = document.getElementById("visible");
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elDelete = document.getElementById("delete");
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elTeleport = document.getElementById("teleport");
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elRadius = document.getElementById("radius");
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elFooter = document.getElementById("footer-text");
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elNoEntitiesMessage = document.getElementById("no-entities");
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elNoEntitiesRadius = document.getElementById("no-entities-radius");
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elEntityTableScroll = document.getElementById("entity-table-scroll");
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document.getElementById("entity-name").onclick = function() {
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setSortColumn('name');
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};
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document.getElementById("entity-type").onclick = function() {
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setSortColumn('type');
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};
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document.getElementById("entity-url").onclick = function() {
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setSortColumn('url');
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};
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document.getElementById("entity-locked").onclick = function () {
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setSortColumn('locked');
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};
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document.getElementById("entity-visible").onclick = function () {
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setSortColumn('visible');
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};
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function onRowClicked(clickEvent) {
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var id = this.dataset.entityId;
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var selection = [this.dataset.entityId];
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if (clickEvent.ctrlKey) {
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selection = selection.concat(selectedEntities);
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} else if (clickEvent.shiftKey && selectedEntities.length > 0) {
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var previousItemFound = -1;
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var clickedItemFound = -1;
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for (var entity in entityList.visibleItems) {
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if (clickedItemFound === -1 && this.dataset.entityId == entityList.visibleItems[entity].values().id) {
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clickedItemFound = entity;
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} else if(previousItemFound === -1 && selectedEntities[0] == entityList.visibleItems[entity].values().id) {
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previousItemFound = entity;
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}
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}
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if (previousItemFound !== -1 && clickedItemFound !== -1) {
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var betweenItems = [];
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var toItem = Math.max(previousItemFound, clickedItemFound);
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// skip first and last item in this loop, we add them to selection after the loop
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for (var i = (Math.min(previousItemFound, clickedItemFound) + 1); i < toItem; i++) {
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entityList.visibleItems[i].elm.className = 'selected';
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betweenItems.push(entityList.visibleItems[i].values().id);
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}
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if (previousItemFound > clickedItemFound) {
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// always make sure that we add the items in the right order
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betweenItems.reverse();
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}
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selection = selection.concat(betweenItems, selectedEntities);
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}
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}
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selectedEntities = selection;
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this.className = 'selected';
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EventBridge.emitWebEvent(JSON.stringify({
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type: "selectionUpdate",
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focus: false,
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entityIds: selection,
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}));
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}
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function onRowDoubleClicked() {
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EventBridge.emitWebEvent(JSON.stringify({
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type: "selectionUpdate",
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focus: true,
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entityIds: [this.dataset.entityId],
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}));
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}
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function addEntity(id, name, type, url, locked, visible) {
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var urlParts = url.split('/');
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var filename = urlParts[urlParts.length - 1];
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if (entities[id] === undefined) {
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entityList.add([{ id: id, name: name, type: type, url: filename, locked: locked, visible: visible }],
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function (items) {
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var currentElement = items[0].elm;
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var id = items[0]._values.id;
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entities[id] = {
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id: id,
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name: name,
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el: currentElement,
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item: items[0]
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};
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currentElement.setAttribute('id', 'entity_' + id);
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currentElement.setAttribute('title', url);
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currentElement.dataset.entityId = id;
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currentElement.onclick = onRowClicked;
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currentElement.ondblclick = onRowDoubleClicked;
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});
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if (refreshEntityListTimer) {
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clearTimeout(refreshEntityListTimer);
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}
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refreshEntityListTimer = setTimeout(refreshEntityListObject, 50);
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} else {
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var item = entities[id].item;
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item.values({ name: name, url: filename, locked: locked, visible: visible });
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}
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}
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function clearEntities() {
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entities = {};
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entityList.clear();
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}
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var elSortOrder = {
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name: document.querySelector('#entity-name .sort-order'),
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type: document.querySelector('#entity-type .sort-order'),
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url: document.querySelector('#entity-url .sort-order'),
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locked: document.querySelector('#entity-locked .sort-order'),
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visible: document.querySelector('#entity-visible .sort-order')
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}
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function setSortColumn(column) {
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if (currentSortColumn == column) {
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currentSortOrder = currentSortOrder == "asc" ? "desc" : "asc";
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} else {
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elSortOrder[currentSortColumn].innerHTML = "";
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currentSortColumn = column;
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currentSortOrder = "asc";
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}
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elSortOrder[column].innerHTML = currentSortOrder == "asc" ? ASCENDING_STRING : DESCENDING_STRING;
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entityList.sort(currentSortColumn, { order: currentSortOrder });
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}
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setSortColumn('type');
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function refreshEntities() {
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clearEntities();
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EventBridge.emitWebEvent(JSON.stringify({ type: 'refresh' }));
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}
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function refreshEntityListObject() {
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refreshEntityListTimer = null;
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entityList.sort(currentSortColumn, { order: currentSortOrder });
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entityList.search(document.getElementById("filter").value);
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}
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function updateSelectedEntities(selectedEntities) {
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var notFound = false;
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for (var id in entities) {
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entities[id].el.className = '';
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}
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for (var i = 0; i < selectedEntities.length; i++) {
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var id = selectedEntities[i];
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if (id in entities) {
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var entity = entities[id];
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entity.el.className = 'selected';
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} else {
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notFound = true;
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}
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}
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if (selectedEntities.length > 1) {
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elFooter.firstChild.nodeValue = selectedEntities.length + " entities selected";
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} else if (selectedEntities.length === 1) {
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elFooter.firstChild.nodeValue = "1 entity selected";
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} else if (entityList.visibleItems.length === 1) {
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elFooter.firstChild.nodeValue = "1 entity found";
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} else {
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elFooter.firstChild.nodeValue = entityList.visibleItems.length + " entities found";
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}
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// HACK: Fixes the footer and header text sometimes not displaying after adding or deleting entities.
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// The problem appears to be a bug in the Qt HTML/CSS rendering (Qt 5.5).
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document.getElementById("radius").focus();
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document.getElementById("radius").blur();
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return notFound;
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}
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elRefresh.onclick = function() {
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refreshEntities();
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}
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elToggleLocked.onclick = function () {
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EventBridge.emitWebEvent(JSON.stringify({ type: 'toggleLocked' }));
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}
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elToggleVisible.onclick = function () {
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EventBridge.emitWebEvent(JSON.stringify({ type: 'toggleVisible' }));
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}
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elTeleport.onclick = function () {
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EventBridge.emitWebEvent(JSON.stringify({ type: 'teleport' }));
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}
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elDelete.onclick = function() {
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EventBridge.emitWebEvent(JSON.stringify({ type: 'delete' }));
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refreshEntities();
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}
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document.addEventListener("keydown", function (keyDownEvent) {
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if (keyDownEvent.target.nodeName === "INPUT") {
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return;
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}
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var keyCode = keyDownEvent.keyCode;
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if (keyCode === DELETE) {
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EventBridge.emitWebEvent(JSON.stringify({ type: 'delete' }));
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refreshEntities();
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}
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}, false);
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elRadius.onchange = function () {
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elRadius.value = Math.max(elRadius.value, 0);
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EventBridge.emitWebEvent(JSON.stringify({ type: 'radius', radius: elRadius.value }));
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refreshEntities();
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elNoEntitiesRadius.firstChild.nodeValue = elRadius.value;
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}
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if (window.EventBridge !== undefined) {
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EventBridge.scriptEventReceived.connect(function(data) {
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data = JSON.parse(data);
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if (data.type === "clearEntityList") {
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clearEntities();
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} else if (data.type == "selectionUpdate") {
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var notFound = updateSelectedEntities(data.selectedIDs);
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if (notFound) {
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refreshEntities();
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}
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} else if (data.type == "update") {
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var newEntities = data.entities;
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if (newEntities.length == 0) {
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elNoEntitiesMessage.style.display = "block";
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elFooter.firstChild.nodeValue = "0 entities found";
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} else {
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elNoEntitiesMessage.style.display = "none";
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for (var i = 0; i < newEntities.length; i++) {
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var id = newEntities[i].id;
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addEntity(id, newEntities[i].name, newEntities[i].type, newEntities[i].url,
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newEntities[i].locked ? LOCKED_GLYPH : null,
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newEntities[i].visible ? VISIBLE_GLYPH : null);
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}
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updateSelectedEntities(data.selectedIDs);
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resize();
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}
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}
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});
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setTimeout(refreshEntities, 1000);
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}
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function resize() {
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// Take up available window space
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elEntityTableScroll.style.height = window.innerHeight - 207;
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var tds = document.querySelectorAll("#entity-table-body tr:first-child td");
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var ths = document.querySelectorAll("#entity-table thead th");
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if (tds.length >= ths.length) {
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// Update the widths of the header cells to match the body
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for (var i = 0; i < ths.length; i++) {
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ths[i].width = tds[i].offsetWidth;
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}
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} else {
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// Reasonable widths if nothing is displayed
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var tableWidth = document.getElementById("entity-table").offsetWidth;
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ths[0].width = 0.16 * tableWidth;
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ths[1].width = 0.34 * tableWidth;
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ths[2].width = 0.34 * tableWidth;
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ths[3].width = 0.08 * tableWidth;
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ths[4].width = 0.08 * tableWidth;
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}
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};
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window.onresize = resize;
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resize();
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});
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augmentSpinButtons();
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// Disable right-click context menu which is not visible in the HMD and makes it seem like the app has locked
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document.addEventListener("contextmenu", function (event) {
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event.preventDefault();
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}, false);
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}
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