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/*
* Copyright 2000-2011 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.openapi.ui.popup.util;
import com.intellij.openapi.ui.popup.ListPopupStep;
import com.intellij.openapi.ui.popup.ListSeparator;
import com.intellij.openapi.ui.popup.PopupStep;
import org.jetbrains.annotations.Nullable;
import org.jetbrains.annotations.NotNull;
import javax.swing.*;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
public class BaseListPopupStep<T> extends BaseStep<T> implements ListPopupStep<T> {
private String myTitle;
private List<T> myValues;
private List<Icon> myIcons;
private int myDefaultOptionIndex = -1;
public BaseListPopupStep(@Nullable String aTitle, T[] aValues) {
this(aTitle, aValues, new Icon[]{});
}
public BaseListPopupStep(@Nullable String aTitle, List<? extends T> aValues) {
this(aTitle, aValues, new ArrayList<Icon>());
}
public BaseListPopupStep(@Nullable String aTitle, T[] aValues, Icon[] aIcons) {
this(aTitle, Arrays.asList(aValues), Arrays.asList(aIcons));
}
public BaseListPopupStep(@Nullable String aTitle, @NotNull List<? extends T> aValues, Icon aSameIcon) {
List<Icon> icons = new ArrayList<Icon>();
//noinspection ForLoopReplaceableByForEach
for (int i = 0; i < aValues.size(); i++) {
icons.add(aSameIcon);
}
init(aTitle, aValues, icons);
}
public BaseListPopupStep(@Nullable String aTitle, @NotNull List<? extends T> aValues, List<Icon> aIcons) {
init(aTitle, aValues, aIcons);
}
protected BaseListPopupStep() { }
protected final void init(@Nullable String aTitle, @NotNull List<? extends T> aValues, @Nullable List<Icon> aIcons) {
myTitle = aTitle;
myValues = new ArrayList<T>(aValues);
myIcons = aIcons;
}
@Nullable
public final String getTitle() {
return myTitle;
}
@NotNull
public final List<T> getValues() {
return myValues;
}
public PopupStep onChosen(T selectedValue, final boolean finalChoice) {
return FINAL_CHOICE;
}
public Icon getIconFor(T aValue) {
int index = myValues.indexOf(aValue);
if (index != -1 && myIcons != null && index < myIcons.size()) {
return myIcons.get(index);
}
else {
return null;
}
}
@NotNull
public String getTextFor(T value) {
return value.toString();
}
@Nullable
public ListSeparator getSeparatorAbove(T value) {
return null;
}
public boolean isSelectable(T value) {
return true;
}
public boolean hasSubstep(T selectedValue) {
return false;
}
public void canceled() {
}
public void setDefaultOptionIndex(int aDefaultOptionIndex) {
myDefaultOptionIndex = aDefaultOptionIndex;
}
public int getDefaultOptionIndex() {
return myDefaultOptionIndex;
}
}
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