/** * Copyright 2013 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.keyboard = (function() { var handlers = {}; function resolveKeyEvent(evt) { var slot = handlers; if (evt.ctrlKey || evt.metaKey) { slot = slot.ctrl; } if (slot && evt.shiftKey) { slot = slot.shift; } if (slot && evt.altKey) { slot = slot.alt; } if (slot && slot[evt.keyCode]) { var handler = slot[evt.keyCode]; if (handler.scope && handler.scope !== "*") { var target = evt.target; while (target.nodeName !== 'BODY' && target.id !== handler.scope) { target = target.parentElement; } if (target.nodeName === 'BODY') { handler = null; } } return handler; } } d3.select(window).on("keydown",function() { var handler = resolveKeyEvent(d3.event); if (handler && handler.ondown) { handler.ondown(); } }); d3.select(window).on("keyup",function() { var handler = resolveKeyEvent(d3.event); if (handler && handler.onup) { handler.onup(); } }); function addHandler(scope,key,modifiers,ondown,onup) { var mod = modifiers; var cbdown = ondown; var cbup = onup; if (typeof modifiers == "function") { mod = {}; cbdown = modifiers; cbup = ondown; } var slot = handlers; if (mod.ctrl) { slot.ctrl = slot.ctrl||{}; slot = slot.ctrl; } if (mod.shift) { slot.shift = slot.shift||{}; slot = slot.shift; } if (mod.alt) { slot.alt = slot.alt||{}; slot = slot.alt; } slot[key] = {scope: scope, ondown:cbdown, onup:cbup}; } function removeHandler(key,modifiers) { var mod = modifiers || {}; var slot = handlers; if (mod.ctrl) { slot = slot.ctrl; } if (slot && mod.shift) { slot = slot.shift; } if (slot && mod.alt) { slot = slot.alt; } if (slot) { delete slot[key]; } } var dialog = null; function showKeyboardHelp() { if (!RED.settings.theme("menu.menu-item-keyboard-shortcuts",true)) { return; } if (!dialog) { dialog = $('
'+ '
'+ ''+ ''+ ''+ ''+ ''+ ''+ ''+ ''+ ''+ ''+ '
Ctrl/⌘ + a'+RED._("keyboard.selectAll")+'
Shift + Click'+RED._("keyboard.selectAllConnected")+'
Ctrl/⌘ + Click'+RED._("keyboard.addRemoveNode")+'
 
Enter'+RED._("keyboard.editSelected")+'
Delete / Backspace'+RED._("keyboard.deleteSelected")+'
 
Ctrl/⌘ + i'+RED._("keyboard.importNode")+'
Ctrl/⌘ + e'+RED._("keyboard.exportNode")+'
'+ '
'+ '
'+ ''+ ''+ ''+ ''+ ''+ ''+ ''+ ''+ ''+ ''+ ''+ ''+ '
Ctrl/⌘ + Space'+RED._("keyboard.toggleSidebar")+'
Ctrl/⌘ + .'+RED._("keyboard.searchBox")+'
Ctrl/⌘ + Shift + p'+RED._("keyboard.managePalette")+'
 
'+RED._("keyboard.nudgeNode")+'
Shift + '+RED._("keyboard.moveNode")+'
 
Ctrl/⌘ + c'+RED._("keyboard.copyNode")+'
Ctrl/⌘ + x'+RED._("keyboard.cutNode")+'
Ctrl/⌘ + v'+RED._("keyboard.pasteNode")+'
Ctrl/⌘ + z'+RED._("keyboard.undoChange")+'
'+ '
'+ '
') .appendTo("body") .dialog({ modal: true, autoOpen: false, width: "800", title:"Keyboard shortcuts", resizable: false }); } dialog.dialog("open"); } return { add: addHandler, remove: removeHandler, showHelp: showKeyboardHelp } })();