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node-red/editor/js/ui/workspaces.js

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JavaScript
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/**
* Copyright 2015 IBM Corp.
*
* 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.
**/
RED.workspaces = (function() {
var activeWorkspace = 0;
var workspaceIndex = 0;
function addWorkspace(ws) {
if (ws) {
workspace_tabs.addTab(ws);
workspace_tabs.resize();
} else {
var tabId = RED.nodes.id();
do {
workspaceIndex += 1;
} while($("#workspace-tabs a[title='Sheet "+workspaceIndex+"']").size() !== 0);
ws = {type:"tab",id:tabId,label:"Sheet "+workspaceIndex};
RED.nodes.addWorkspace(ws);
workspace_tabs.addTab(ws);
workspace_tabs.activateTab(tabId);
RED.history.push({t:'add',workspaces:[ws],dirty:RED.nodes.dirty()});
RED.nodes.dirty(true);
}
}
function deleteWorkspace(ws,force) {
if (workspace_tabs.count() == 1) {
return;
}
var nodes = [];
if (!force) {
nodes = RED.nodes.filterNodes({z:ws.id});
}
if (force || nodes.length === 0) {
removeWorkspace(ws);
var historyEvent = RED.nodes.removeWorkspace(ws.id);
historyEvent.t = 'delete';
historyEvent.dirty = RED.nodes.dirty();
historyEvent.workspaces = [ws];
RED.history.push(historyEvent);
RED.nodes.dirty(true);
} else {
$( "#node-dialog-delete-workspace" ).dialog('option','workspace',ws);
$( "#node-dialog-delete-workspace-name" ).text(ws.label);
$( "#node-dialog-delete-workspace" ).dialog('open');
}
}
function showRenameWorkspaceDialog(id) {
var ws = RED.nodes.workspace(id);
$( "#node-dialog-rename-workspace" ).dialog("option","workspace",ws);
if (workspace_tabs.count() == 1) {
$( "#node-dialog-rename-workspace").next().find(".leftButton")
.prop('disabled',true)
.addClass("ui-state-disabled");
} else {
$( "#node-dialog-rename-workspace").next().find(".leftButton")
.prop('disabled',false)
.removeClass("ui-state-disabled");
}
$( "#node-input-workspace-name" ).val(ws.label);
$( "#node-dialog-rename-workspace" ).dialog("open");
}
var workspace_tabs;
function createWorkspaceTabs(){
workspace_tabs = RED.tabs.create({
id: "workspace-tabs",
onchange: function(tab) {
if (tab.type == "subflow") {
$("#workspace-toolbar").show();
} else {
$("#workspace-toolbar").hide();
}
var event = {
old: activeWorkspace
}
activeWorkspace = tab.id;
event.workspace = activeWorkspace;
eventHandler.emit("change",event);
},
ondblclick: function(tab) {
if (tab.type != "subflow") {
showRenameWorkspaceDialog(tab.id);
} else {
RED.editor.editSubflow(RED.nodes.subflow(tab.id));
}
},
onadd: function(tab) {
RED.menu.addItem("menu-item-workspace",{
id:"menu-item-workspace-menu-"+tab.id.replace(".","-"),
label:tab.label,
onselect:function() {
workspace_tabs.activateTab(tab.id);
}
});
RED.menu.setDisabled("menu-item-workspace-delete",workspace_tabs.count() == 1);
},
onremove: function(tab) {
RED.menu.setDisabled("menu-item-workspace-delete",workspace_tabs.count() == 1);
RED.menu.removeItem("menu-item-workspace-menu-"+tab.id.replace(".","-"));
}
});
$("#node-dialog-rename-workspace form" ).submit(function(e) { e.preventDefault();});
$( "#node-dialog-rename-workspace" ).dialog({
modal: true,
autoOpen: false,
width: 500,
title: RED._("dialog.renameSheet"),
buttons: [
{
class: 'leftButton',
text: RED._("dialog.delete"),
click: function() {
var workspace = $(this).dialog('option','workspace');
$( this ).dialog( "close" );
deleteWorkspace(workspace);
}
},
{
text: RED._("dialog.ok"),
click: function() {
var workspace = $(this).dialog('option','workspace');
var label = $( "#node-input-workspace-name" ).val();
if (workspace.label != label) {
workspace_tabs.renameTab(workspace.id,label);
RED.nodes.dirty(true);
$("#menu-item-workspace-menu-"+workspace.id.replace(".","-")).text(label);
// TODO: update entry in menu
}
$( this ).dialog( "close" );
}
},
{
text: RED._("dialog.cancel"),
click: function() {
$( this ).dialog( "close" );
}
}
],
open: function(e) {
RED.keyboard.disable();
},
close: function(e) {
RED.keyboard.enable();
}
});
$( "#node-dialog-delete-workspace" ).dialog({
modal: true,
autoOpen: false,
width: 500,
title: RED._("dialog.confirmDelete"),
buttons: [
{
text: RED._("dialog.ok"),
click: function() {
var workspace = $(this).dialog('option','workspace');
deleteWorkspace(workspace,true);
$( this ).dialog( "close" );
}
},
{
text: RED._("dialog.cancel"),
click: function() {
$( this ).dialog( "close" );
}
}
],
open: function(e) {
RED.keyboard.disable();
},
close: function(e) {
RED.keyboard.enable();
}
});
}
function init() {
createWorkspaceTabs();
$('#btn-workspace-add-tab').on("click",function(e) {addWorkspace(); e.preventDefault()});
RED.sidebar.on("resize",workspace_tabs.resize);
RED.menu.setAction('menu-item-workspace-delete',function() {
deleteWorkspace(RED.nodes.workspace(activeWorkspace));
});
}
// TODO: DRY
var eventHandler = (function() {
var handlers = {};
return {
on: function(evt,func) {
handlers[evt] = handlers[evt]||[];
handlers[evt].push(func);
},
emit: function(evt,arg) {
if (handlers[evt]) {
for (var i=0;i<handlers[evt].length;i++) {
handlers[evt][i](arg);
}
}
}
}
})();
function removeWorkspace(ws) {
if (!ws) {
deleteWorkspace(RED.nodes.workspace(activeWorkspace));
} else {
if (workspace_tabs.contains(ws.id)) {
workspace_tabs.removeTab(ws.id);
}
}
}
return {
init: init,
on: eventHandler.on,
add: addWorkspace,
remove: removeWorkspace,
edit: function(id) {
showRenameWorkspaceDialog(id||activeWorkspace);
},
contains: function(id) {
return workspace_tabs.contains(id);
},
count: function() {
return workspace_tabs.count();
},
active: function() {
return activeWorkspace
},
show: function(id) {
if (!workspace_tabs.contains(id)) {
var sf = RED.nodes.subflow(id);
if (sf) {
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addWorkspace({type:"subflow",id:id,label:RED._("workspaces.subflow")+sf.name, closeable: true});
}
}
workspace_tabs.activateTab(id);
},
refresh: function() {
RED.nodes.eachSubflow(function(sf) {
if (workspace_tabs.contains(sf.id)) {
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workspace_tabs.renameTab(sf.id,RED._("workspaces.subflow")+sf.name);
}
});
},
resize: function() {
workspace_tabs.resize();
}
}
})();