mirror of
https://github.com/node-red/node-red.git
synced 2023-10-10 13:36:53 +02:00
299 lines
11 KiB
JavaScript
299 lines
11 KiB
JavaScript
/**
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* Copyright JS Foundation and other contributors, http://js.foundation
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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**/
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RED.search = (function() {
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var disabled = false;
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var dialog = null;
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var searchInput;
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var searchResults;
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var selected = -1;
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var visible = false;
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var index = {};
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var keys = [];
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var results = [];
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function indexProperty(node,label,property) {
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if (typeof property === 'string' || typeof property === 'number') {
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property = (""+property).toLowerCase();
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index[property] = index[property] || {};
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index[property][node.id] = {node:node,label:label};
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} else if (Array.isArray(property)) {
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property.forEach(function(prop) {
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indexProperty(node,label,prop);
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})
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} else if (typeof property === 'object') {
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for (var prop in property) {
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if (property.hasOwnProperty(prop)) {
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indexProperty(node,label,property[prop])
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}
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}
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}
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}
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function indexNode(n) {
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var l = RED.utils.getNodeLabel(n);
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if (l) {
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l = (""+l).toLowerCase();
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index[l] = index[l] || {};
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index[l][n.id] = {node:n,label:l}
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}
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l = l||n.label||n.name||n.id||"";
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var properties = ['id','type','name','label','info'];
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if (n._def && n._def.defaults) {
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properties = properties.concat(Object.keys(n._def.defaults));
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}
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for (var i=0;i<properties.length;i++) {
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if (n.hasOwnProperty(properties[i])) {
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indexProperty(n, l, n[properties[i]]);
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}
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}
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}
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function indexWorkspace() {
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index = {};
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RED.nodes.eachWorkspace(indexNode);
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RED.nodes.eachSubflow(indexNode);
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RED.nodes.eachConfig(indexNode);
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RED.nodes.eachNode(indexNode);
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keys = Object.keys(index);
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keys.sort();
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keys.forEach(function(key) {
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index[key] = Object.keys(index[key]).map(function(id) {
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return index[key][id];
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})
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})
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}
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function search(val) {
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searchResults.editableList('empty');
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selected = -1;
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results = [];
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if (val.length > 0) {
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val = val.toLowerCase();
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var i;
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var j;
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var list = [];
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var nodes = {};
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for (i=0;i<keys.length;i++) {
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var key = keys[i];
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var kpos = keys[i].indexOf(val);
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if (kpos > -1) {
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for (j=0;j<index[key].length;j++) {
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var node = index[key][j];
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nodes[node.node.id] = nodes[node.node.id] = node;
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nodes[node.node.id].index = Math.min(nodes[node.node.id].index||Infinity,kpos);
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}
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}
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}
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list = Object.keys(nodes);
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list.sort(function(A,B) {
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return nodes[A].index - nodes[B].index;
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});
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for (i=0;i<list.length;i++) {
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results.push(nodes[list[i]]);
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}
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if (results.length > 0) {
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for (i=0;i<Math.min(results.length,25);i++) {
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searchResults.editableList('addItem',results[i])
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}
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} else {
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searchResults.editableList('addItem',{});
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}
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}
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}
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function ensureSelectedIsVisible() {
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var selectedEntry = searchResults.find("li.selected");
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if (selectedEntry.length === 1) {
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var scrollWindow = searchResults.parent();
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var scrollHeight = scrollWindow.height();
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var scrollOffset = scrollWindow.scrollTop();
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var y = selectedEntry.position().top;
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var h = selectedEntry.height();
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if (y+h > scrollHeight) {
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scrollWindow.animate({scrollTop: '-='+(scrollHeight-(y+h)-10)},50);
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} else if (y<0) {
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scrollWindow.animate({scrollTop: '+='+(y-10)},50);
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}
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}
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}
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function createDialog() {
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dialog = $("<div>",{id:"red-ui-search",class:"red-ui-search"}).appendTo("#main-container");
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var searchDiv = $("<div>",{class:"red-ui-search-container"}).appendTo(dialog);
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searchInput = $('<input type="text" data-i18n="[placeholder]menu.label.searchInput">').appendTo(searchDiv).searchBox({
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delay: 200,
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change: function() {
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search($(this).val());
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}
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});
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searchInput.on('keydown',function(evt) {
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var children;
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if (results.length > 0) {
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if (evt.keyCode === 40) {
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// Down
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children = searchResults.children();
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if (selected < children.length-1) {
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if (selected > -1) {
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$(children[selected]).removeClass('selected');
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}
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selected++;
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}
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$(children[selected]).addClass('selected');
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ensureSelectedIsVisible();
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evt.preventDefault();
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} else if (evt.keyCode === 38) {
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// Up
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children = searchResults.children();
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if (selected > 0) {
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if (selected < children.length) {
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$(children[selected]).removeClass('selected');
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}
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selected--;
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}
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$(children[selected]).addClass('selected');
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ensureSelectedIsVisible();
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evt.preventDefault();
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} else if (evt.keyCode === 13) {
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// Enter
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if (results.length > 0) {
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reveal(results[Math.max(0,selected)].node);
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}
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}
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}
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});
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searchInput.i18n();
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var searchResultsDiv = $("<div>",{class:"red-ui-search-results-container"}).appendTo(dialog);
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searchResults = $('<ol>',{id:"search-result-list", style:"position: absolute;top: 5px;bottom: 5px;left: 5px;right: 5px;"}).appendTo(searchResultsDiv).editableList({
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addButton: false,
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addItem: function(container,i,object) {
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var node = object.node;
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if (node === undefined) {
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$('<div>',{class:"red-ui-search-empty"}).text(RED._('search.empty')).appendTo(container);
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} else {
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var def = node._def;
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var div = $('<a>',{href:'#',class:"red-ui-search-result"}).appendTo(container);
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var nodeDiv = $('<div>',{class:"red-ui-search-result-node"}).appendTo(div);
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var colour = RED.utils.getNodeColor(node.type,def);
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var icon_url = RED.utils.getNodeIcon(def,node);
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if (node.type === 'tab') {
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colour = "#C0DEED";
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}
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nodeDiv.css('backgroundColor',colour);
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var iconContainer = $('<div/>',{class:"palette_icon_container"}).appendTo(nodeDiv);
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$('<div/>',{class:"palette_icon",style:"background-image: url("+icon_url+")"}).appendTo(iconContainer);
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var contentDiv = $('<div>',{class:"red-ui-search-result-description"}).appendTo(div);
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if (node.z) {
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var workspace = RED.nodes.workspace(node.z);
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if (!workspace) {
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workspace = RED.nodes.subflow(node.z);
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workspace = "subflow:"+workspace.name;
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} else {
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workspace = "flow:"+workspace.label;
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}
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$('<div>',{class:"red-ui-search-result-node-flow"}).text(workspace).appendTo(contentDiv);
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}
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$('<div>',{class:"red-ui-search-result-node-label"}).text(object.label || node.id).appendTo(contentDiv);
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$('<div>',{class:"red-ui-search-result-node-type"}).text(node.type).appendTo(contentDiv);
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$('<div>',{class:"red-ui-search-result-node-id"}).text(node.id).appendTo(contentDiv);
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div.click(function(evt) {
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evt.preventDefault();
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reveal(node);
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});
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}
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},
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scrollOnAdd: false
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});
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}
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function reveal(node) {
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hide();
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RED.view.reveal(node.id);
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}
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function show() {
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if (disabled) {
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return;
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}
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if (!visible) {
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RED.keyboard.add("*","escape",function(){hide()});
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$("#header-shade").show();
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$("#editor-shade").show();
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$("#palette-shade").show();
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$("#sidebar-shade").show();
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$("#sidebar-separator").hide();
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indexWorkspace();
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if (dialog === null) {
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createDialog();
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}
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dialog.slideDown(300);
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RED.events.emit("search:open");
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visible = true;
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}
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searchInput.focus();
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}
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function hide() {
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if (visible) {
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RED.keyboard.remove("escape");
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visible = false;
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$("#header-shade").hide();
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$("#editor-shade").hide();
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$("#palette-shade").hide();
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$("#sidebar-shade").hide();
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$("#sidebar-separator").show();
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if (dialog !== null) {
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dialog.slideUp(200,function() {
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searchInput.searchBox('value','');
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});
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}
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RED.events.emit("search:close");
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}
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}
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function init() {
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RED.actions.add("core:search",show);
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RED.events.on("editor:open",function() { disabled = true; });
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RED.events.on("editor:close",function() { disabled = false; });
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RED.events.on("type-search:open",function() { disabled = true; });
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RED.events.on("type-search:close",function() { disabled = false; });
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$("#header-shade").on('mousedown',hide);
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$("#editor-shade").on('mousedown',hide);
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$("#palette-shade").on('mousedown',hide);
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$("#sidebar-shade").on('mousedown',hide);
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}
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return {
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init: init,
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show: show,
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hide: hide
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};
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})();
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