com.google.gerrit.client.ui.AddIncludedGroupBox.java Source code

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Here is the source code for com.google.gerrit.client.ui.AddIncludedGroupBox.java

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// Copyright (C) 2011 The Android Open Source Project
//
// 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.google.gerrit.client.ui;

import com.google.gerrit.client.admin.Util;
import com.google.gerrit.client.ui.HintTextBox;
import com.google.gerrit.client.ui.RPCSuggestOracle;
import com.google.gwt.event.dom.client.ClickEvent;
import com.google.gwt.event.dom.client.ClickHandler;
import com.google.gwt.event.dom.client.KeyCodes;
import com.google.gwt.event.dom.client.KeyPressEvent;
import com.google.gwt.event.dom.client.KeyPressHandler;
import com.google.gwt.event.logical.shared.SelectionEvent;
import com.google.gwt.event.logical.shared.SelectionHandler;
import com.google.gwt.user.client.ui.Button;
import com.google.gwt.user.client.ui.Composite;
import com.google.gwt.user.client.ui.FlowPanel;
import com.google.gwt.user.client.ui.SuggestBox;
import com.google.gwt.user.client.ui.SuggestBox.DefaultSuggestionDisplay;
import com.google.gwt.user.client.ui.SuggestOracle.Suggestion;

public class AddIncludedGroupBox extends Composite {
    private final FlowPanel addPanel;
    private final Button addMember;
    private final HintTextBox nameTxtBox;
    private final SuggestBox nameTxt;
    private boolean submitOnSelection;

    public AddIncludedGroupBox() {
        addPanel = new FlowPanel();
        addMember = new Button(Util.C.buttonAddIncludedGroup());
        nameTxtBox = new HintTextBox();
        nameTxt = new SuggestBox(new RPCSuggestOracle(new AccountGroupSuggestOracle()), nameTxtBox);

        nameTxtBox.setVisibleLength(50);
        nameTxtBox.setHintText(Util.C.defaultAccountGroupName());
        nameTxtBox.addKeyPressHandler(new KeyPressHandler() {
            @Override
            public void onKeyPress(KeyPressEvent event) {
                submitOnSelection = false;

                if (event.getNativeEvent().getKeyCode() == KeyCodes.KEY_ENTER) {
                    if (((DefaultSuggestionDisplay) nameTxt.getSuggestionDisplay()).isSuggestionListShowing()) {
                        submitOnSelection = true;
                    } else {
                        doAdd();
                    }
                }
            }
        });
        nameTxt.addSelectionHandler(new SelectionHandler<Suggestion>() {
            @Override
            public void onSelection(SelectionEvent<Suggestion> event) {
                if (submitOnSelection) {
                    submitOnSelection = false;
                    doAdd();
                }
            }
        });

        addPanel.add(nameTxt);
        addPanel.add(addMember);

        initWidget(addPanel);
    }

    public void setAddButtonText(final String text) {
        addMember.setText(text);
    }

    public void addClickHandler(final ClickHandler handler) {
        addMember.addClickHandler(handler);
    }

    public String getText() {
        String s = nameTxtBox.getText();
        return s == null ? "" : s;
    }

    public void setEnabled(boolean enabled) {
        addMember.setEnabled(enabled);
        nameTxtBox.setEnabled(enabled);
    }

    public void setText(String text) {
        nameTxtBox.setText(text);
    }

    private void doAdd() {
        addMember.fireEvent(new ClickEvent() {
        });
    }
}