Java tutorial
// 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.Gerrit; import com.google.gerrit.client.account.Util; import com.google.gerrit.client.projects.ProjectMap; import com.google.gerrit.client.rpc.GerritCallback; 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.KeyUpEvent; import com.google.gwt.event.dom.client.KeyUpHandler; import com.google.gwt.user.client.Window; import com.google.gwt.user.client.ui.Button; import com.google.gwt.user.client.ui.FlowPanel; import com.google.gwt.user.client.ui.HorizontalPanel; import com.google.gwt.user.client.ui.Label; import com.google.gwt.user.client.ui.PopupPanel; 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.globalkey.client.NpTextBox; import com.google.gwtexpui.user.client.PluginSafeDialogBox; /** It creates a popup containing all the projects. */ public class ProjectListPopup implements FilteredUserInterface { private HighlightingProjectsTable projectsTab; private PluginSafeDialogBox popup; private NpTextBox filterTxt; private HorizontalPanel filterPanel; private String subname; private Button close; private ScrollPanel sp; private PopupPanel.PositionCallback popupPosition; private int preferredTop; private int preferredLeft; private boolean poppingUp; private boolean firstPopupLoad = true; public void initPopup(final String popupText, final String currentPageLink) { createWidgets(popupText, currentPageLink); final FlowPanel pfp = new FlowPanel(); pfp.add(filterPanel); sp = new ScrollPanel(projectsTab); sp.setSize("100%", "100%"); pfp.add(sp); pfp.add(close); popup.setWidget(pfp); popup.setHeight("100%"); popupPosition = getPositionCallback(); } protected PopupPanel.PositionCallback getPositionCallback() { return new PopupPanel.PositionCallback() { @Override public void setPosition(int offsetWidth, int offsetHeight) { if (preferredTop + offsetHeight > Window.getClientWidth()) { preferredTop = Window.getClientWidth() - offsetHeight; } if (preferredLeft + offsetWidth > Window.getClientWidth()) { preferredLeft = Window.getClientWidth() - offsetWidth; } if (preferredTop < 0) { sp.setHeight((sp.getOffsetHeight() + preferredTop) + "px"); preferredTop = 0; } if (preferredLeft < 0) { sp.setWidth((sp.getOffsetWidth() + preferredLeft) + "px"); preferredLeft = 0; } popup.setPopupPosition(preferredLeft, preferredTop); } }; } protected void onMovePointerTo(String projectName) { } protected void openRow(String projectName) { } public boolean isPoppingUp() { return poppingUp; } private void createWidgets(final String popupText, final String currentPageLink) { filterPanel = new HorizontalPanel(); filterPanel.setStyleName(Gerrit.RESOURCES.css().projectFilterPanel()); final Label filterLabel = new Label(com.google.gerrit.client.admin.Util.C.projectFilter()); filterLabel.setStyleName(Gerrit.RESOURCES.css().projectFilterLabel()); filterPanel.add(filterLabel); filterTxt = new NpTextBox(); filterTxt.setValue(subname); filterTxt.addKeyUpHandler(new KeyUpHandler() { @Override public void onKeyUp(KeyUpEvent event) { subname = filterTxt.getValue(); populateProjects(); } }); filterPanel.add(filterTxt); projectsTab = new HighlightingProjectsTable() { @Override protected void movePointerTo(final int row, final boolean scroll) { super.movePointerTo(row, scroll); onMovePointerTo(getRowItem(row).name()); } @Override protected void onOpenRow(final int row) { super.onOpenRow(row); openRow(getRowItem(row).name()); } }; projectsTab.setSavePointerId(currentPageLink); close = new Button(Util.C.projectsClose()); close.addClickHandler(new ClickHandler() { @Override public void onClick(final ClickEvent event) { closePopup(); } }); popup = new PluginSafeDialogBox(); popup.setModal(false); popup.setText(popupText); } public void displayPopup() { poppingUp = true; if (firstPopupLoad) { // For sizing/positioning, delay display until loaded populateProjects(); } else { popup.setPopupPositionAndShow(popupPosition); GlobalKey.dialog(popup); try { GlobalKey.addApplication(popup, new HidePopupPanelCommand(0, KeyCodes.KEY_ESCAPE, popup)); } catch (Throwable e) { } projectsTab.setRegisterKeys(true); projectsTab.finishDisplay(); filterTxt.setFocus(true); poppingUp = false; } } public void closePopup() { popup.hide(); } public void setPreferredCoordinates(final int top, final int left) { this.preferredTop = top; this.preferredLeft = left; } protected void populateProjects() { ProjectMap.match(subname, new IgnoreOutdatedFilterResultsCallbackWrapper<ProjectMap>(this, new GerritCallback<ProjectMap>() { @Override public void onSuccess(final ProjectMap result) { projectsTab.display(result, subname); if (firstPopupLoad) { // Display was delayed until table was loaded firstPopupLoad = false; displayPopup(); } } })); } @Override public String getCurrentFilter() { return subname; } }