| /* |
| * Copyright 2000-2009 JetBrains s.r.o. |
| * |
| * 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. |
| */ |
| package com.intellij.ui.popup.util; |
| |
| import com.intellij.openapi.ui.popup.MnemonicNavigationFilter; |
| import com.intellij.openapi.util.text.StringUtil; |
| import com.intellij.ui.popup.WizardPopup; |
| |
| import java.awt.event.KeyEvent; |
| import java.util.HashMap; |
| import java.util.List; |
| import java.util.Map; |
| |
| public abstract class MnemonicsSearch<T> { |
| |
| private final WizardPopup myPopup; |
| private final Map<String, T> myChar2ValueMap = new HashMap(); |
| |
| public MnemonicsSearch(WizardPopup popup) { |
| myPopup = popup; |
| if (!myPopup.getStep().isMnemonicsNavigationEnabled()) return; |
| |
| final MnemonicNavigationFilter filter = myPopup.getStep().getMnemonicNavigationFilter(); |
| final List<T> values = filter.getValues(); |
| for (T each : values) { |
| final int pos = filter.getMnemonicPos(each); |
| if (pos != -1) { |
| final String text = filter.getTextFor(each); |
| final String charText = text.substring(pos + 1, pos + 2); |
| myChar2ValueMap.put(StringUtil.toUpperCase(charText), each); |
| myChar2ValueMap.put(charText.toLowerCase(), each); |
| } |
| } |
| } |
| |
| public void process(KeyEvent e) { |
| if (e.isConsumed() || !StringUtil.isEmptyOrSpaces(myPopup.getSpeedSearch().getFilter())) return; |
| |
| if (Character.isLetterOrDigit(e.getKeyChar())) { |
| final String s = Character.toString(e.getKeyChar()); |
| final T toSelect = myChar2ValueMap.get(s); |
| if (toSelect != null) { |
| select(toSelect); |
| e.consume(); |
| } |
| } |
| } |
| |
| protected abstract void select(T value); |
| |
| } |