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// Copyright (C) 2009 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.patches;
import com.google.gerrit.client.Gerrit;
import com.google.gerrit.client.changes.PatchTable;
import com.google.gerrit.client.changes.Util;
import com.google.gerrit.reviewdb.client.Patch;
import com.google.gwt.event.logical.shared.ResizeEvent;
import com.google.gwt.event.logical.shared.ResizeHandler;
import com.google.gwt.event.shared.HandlerRegistration;
import com.google.gwt.user.client.Command;
import com.google.gwt.user.client.Window;
import com.google.gwt.user.client.ui.FlowPanel;
import com.google.gwt.user.client.ui.PopupPanel.PositionCallback;
import com.google.gwt.user.client.ui.ScrollPanel;
import com.google.gwtexpui.globalkey.client.GlobalKey;
import com.google.gwtexpui.globalkey.client.HidePopupPanelCommand;
import com.google.gwtexpui.user.client.PluginSafeDialogBox;
class PatchBrowserPopup extends PluginSafeDialogBox implements
PositionCallback, ResizeHandler {
private final Patch.Key callerKey;
private final PatchTable fileList;
private final ScrollPanel sp;
private HandlerRegistration regWindowResize;
PatchBrowserPopup(final Patch.Key pk, final PatchTable fl) {
super(true/* autohide */, false/* modal */);
callerKey = pk;
fileList = fl;
sp = new ScrollPanel(fileList);
final FlowPanel body = new FlowPanel();
body.setStyleName(Gerrit.RESOURCES.css().patchBrowserPopupBody());
body.add(sp);
setText(Util.M.patchSetHeader(callerKey.getParentKey().get()));
setWidget(body);
addStyleName(Gerrit.RESOURCES.css().patchBrowserPopup());
}
@Override
public void setPosition(final int myWidth, int myHeight) {
final int dLeft = (Window.getClientWidth() - myWidth) >> 1;
final int cHeight = Window.getClientHeight();
final int cHeight2 = 2 * cHeight / 3;
final int sLeft = Window.getScrollLeft();
final int sTop = Window.getScrollTop();
if (myHeight > cHeight2) {
sp.setHeight((cHeight2 - 50) + "px");
myHeight = getOffsetHeight();
}
setPopupPosition(sLeft + dLeft, (sTop + cHeight) - (myHeight + 10));
}
@Override
public void onResize(final ResizeEvent event) {
sp.setWidth((Window.getClientWidth() - 60) + "px");
setPosition(getOffsetWidth(), getOffsetHeight());
}
@Override
public void hide() {
if (regWindowResize != null) {
regWindowResize.removeHandler();
regWindowResize = null;
}
super.hide();
}
@Override
public void show() {
super.show();
if (regWindowResize == null) {
regWindowResize = Window.addResizeHandler(this);
}
GlobalKey.dialog(this);
GlobalKey.addApplication(this, new HidePopupPanelCommand(0, 'f', this));
if (!fileList.isLoaded()) {
fileList.onTableLoaded(new Command() {
@Override
public void execute() {
sp.setHeight("");
setPosition(getOffsetWidth(), getOffsetHeight());
fileList.setRegisterKeys(true);
fileList.movePointerTo(callerKey);
}
});
}
}
public void open() {
if (!fileList.isLoaded()) {
sp.setHeight("22px");
}
sp.setWidth((Window.getClientWidth() - 60) + "px");
setPopupPositionAndShow(this);
if (fileList.isLoaded()) {
fileList.setRegisterKeys(true);
fileList.movePointerTo(callerKey);
}
}
}
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