| // 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.ui; |
| |
| import com.google.gerrit.client.AvatarImage; |
| import com.google.gerrit.client.FormatUtil; |
| import com.google.gerrit.client.Gerrit; |
| import com.google.gerrit.client.account.AccountInfo; |
| import com.google.gwt.event.dom.client.BlurEvent; |
| import com.google.gwt.event.dom.client.BlurHandler; |
| import com.google.gwt.event.dom.client.ClickEvent; |
| import com.google.gwt.event.dom.client.ClickHandler; |
| import com.google.gwt.event.dom.client.DoubleClickEvent; |
| import com.google.gwt.event.dom.client.DoubleClickHandler; |
| import com.google.gwt.event.dom.client.FocusEvent; |
| import com.google.gwt.event.dom.client.FocusHandler; |
| import com.google.gwt.event.dom.client.HasBlurHandlers; |
| import com.google.gwt.event.dom.client.HasDoubleClickHandlers; |
| import com.google.gwt.event.dom.client.HasFocusHandlers; |
| import com.google.gwt.event.shared.HandlerManager; |
| import com.google.gwt.event.shared.HandlerRegistration; |
| import com.google.gwt.user.client.ui.Button; |
| import com.google.gwt.user.client.ui.Composite; |
| import com.google.gwt.user.client.ui.FlexTable; |
| import com.google.gwt.user.client.ui.FlowPanel; |
| import com.google.gwt.user.client.ui.HTML; |
| import com.google.gwt.user.client.ui.HTMLTable.CellFormatter; |
| import com.google.gwt.user.client.ui.HasHorizontalAlignment; |
| import com.google.gwt.user.client.ui.InlineLabel; |
| import com.google.gwt.user.client.ui.Panel; |
| import com.google.gwt.user.client.ui.Widget; |
| import com.google.gwtexpui.safehtml.client.SafeHtml; |
| import com.google.gwtexpui.safehtml.client.SafeHtmlBuilder; |
| |
| import java.util.Date; |
| |
| public class CommentPanel extends Composite implements HasDoubleClickHandlers, |
| HasFocusHandlers, FocusHandler, HasBlurHandlers, BlurHandler { |
| private static final int SUMMARY_LENGTH = 75; |
| private final HandlerManager handlerManager = new HandlerManager(this); |
| private final FlowPanel body; |
| private final FlexTable header; |
| private final InlineLabel messageSummary; |
| private final FlowPanel content; |
| private final DoubleClickHTML messageText; |
| private CommentLinkProcessor commentLinkProcessor; |
| private FlowPanel buttons; |
| private boolean recent; |
| |
| public CommentPanel(final AccountInfo author, final Date when, String message, |
| CommentLinkProcessor commentLinkProcessor) { |
| this(commentLinkProcessor); |
| |
| setMessageText(message); |
| setAuthorNameText(author, FormatUtil.name(author)); |
| setDateText(FormatUtil.shortFormatDayTime(when)); |
| |
| final CellFormatter fmt = header.getCellFormatter(); |
| fmt.getElement(0, 1).setTitle(FormatUtil.nameEmail(author)); |
| fmt.getElement(0, 3).setTitle(FormatUtil.mediumFormat(when)); |
| } |
| |
| protected CommentPanel(CommentLinkProcessor commentLinkProcessor) { |
| this.commentLinkProcessor = commentLinkProcessor; |
| body = new FlowPanel(); |
| initWidget(body); |
| setStyleName(Gerrit.RESOURCES.css().commentPanel()); |
| |
| messageSummary = new InlineLabel(); |
| messageSummary.setStyleName(Gerrit.RESOURCES.css().commentPanelSummary()); |
| |
| header = new FlexTable(); |
| header.setStyleName(Gerrit.RESOURCES.css().commentPanelHeader()); |
| header.addClickHandler(new ClickHandler() { |
| @Override |
| public void onClick(ClickEvent event) { |
| setOpen(!isOpen()); |
| } |
| }); |
| header.setText(0, 1, ""); |
| header.setWidget(0, 2, messageSummary); |
| header.setText(0, 3, ""); |
| final CellFormatter fmt = header.getCellFormatter(); |
| fmt.setStyleName(0, 1, Gerrit.RESOURCES.css().commentPanelAuthorCell()); |
| fmt.setStyleName(0, 2, Gerrit.RESOURCES.css().commentPanelSummaryCell()); |
| fmt.setStyleName(0, 3, Gerrit.RESOURCES.css().commentPanelDateCell()); |
| fmt.setHorizontalAlignment(0, 3, HasHorizontalAlignment.ALIGN_RIGHT); |
| body.add(header); |
| |
| content = new FlowPanel(); |
| content.setStyleName(Gerrit.RESOURCES.css().commentPanelContent()); |
| content.setVisible(false); |
| body.add(content); |
| |
| messageText = new DoubleClickHTML(); |
| messageText.setStyleName(Gerrit.RESOURCES.css().commentPanelMessage()); |
| content.add(messageText); |
| } |
| |
| @Override |
| public HandlerRegistration addDoubleClickHandler(DoubleClickHandler handler) { |
| return messageText.addDoubleClickHandler(handler); |
| } |
| |
| protected void setMessageText(String message) { |
| if (message == null) { |
| message = ""; |
| } else { |
| message = message.trim(); |
| } |
| |
| messageSummary.setText(summarize(message)); |
| SafeHtml buf = new SafeHtmlBuilder().append(message).wikify(); |
| buf = commentLinkProcessor.apply(buf); |
| SafeHtml.set(messageText, buf); |
| } |
| |
| public void setAuthorNameText(final AccountInfo author, final String nameText) { |
| header.setWidget(0, 0, new AvatarImage(author)); |
| header.setText(0, 1, nameText); |
| body.getElement().setAttribute("email", author.email()); |
| body.getElement().setAttribute("name", author.name()); |
| } |
| |
| protected void setDateText(final String dateText) { |
| header.setText(0, 3, dateText); |
| } |
| |
| protected void setMessageTextVisible(final boolean show) { |
| messageText.setVisible(show); |
| } |
| |
| protected void addContent(final Widget w) { |
| if (buttons != null) { |
| content.insert(w, content.getWidgetIndex(buttons)); |
| } else { |
| content.add(w); |
| } |
| } |
| |
| /** |
| * Registers a {@link FocusHandler} for this comment panel. |
| * The comment panel is considered as being focused whenever any button in the |
| * comment panel gets focused. |
| * |
| * @param handler the focus handler to be registered |
| */ |
| @Override |
| public HandlerRegistration addFocusHandler(final FocusHandler handler) { |
| return handlerManager.addHandler(FocusEvent.getType(), handler); |
| } |
| |
| /** |
| * Registers a {@link BlurHandler} for this comment panel. |
| * The comment panel is considered as being blurred whenever any button in the |
| * comment panel gets blurred. |
| * |
| * @param handler the blur handler to be registered |
| */ |
| @Override |
| public HandlerRegistration addBlurHandler(final BlurHandler handler) { |
| return handlerManager.addHandler(BlurEvent.getType(), handler); |
| } |
| |
| protected void addButton(final Button button) { |
| // register focus and blur handler for each button, so that we can fire |
| // focus and blur events for the comment panel |
| button.addFocusHandler(this); |
| button.addBlurHandler(this); |
| getButtonPanel().add(button); |
| } |
| |
| private Panel getButtonPanel() { |
| if (buttons == null) { |
| buttons = new FlowPanel(); |
| buttons.setStyleName(Gerrit.RESOURCES.css().commentPanelButtons()); |
| content.add(buttons); |
| } |
| return buttons; |
| } |
| |
| @Override |
| public void onFocus(final FocusEvent event) { |
| // a button was focused -> fire focus event for the comment panel |
| handlerManager.fireEvent(event); |
| } |
| |
| @Override |
| public void onBlur(final BlurEvent event) { |
| // a button was blurred -> fire blur event for the comment panel |
| handlerManager.fireEvent(event); |
| } |
| |
| public void enableButtons(final boolean on) { |
| for (Widget w : getButtonPanel()) { |
| if (w instanceof Button) { |
| ((Button) w).setEnabled(on); |
| } |
| } |
| } |
| |
| private static String summarize(final String message) { |
| if (message.length() < SUMMARY_LENGTH) { |
| return message; |
| } |
| |
| int p = 0; |
| final StringBuilder r = new StringBuilder(); |
| while (r.length() < SUMMARY_LENGTH) { |
| final int e = message.indexOf(' ', p); |
| if (e < 0) { |
| break; |
| } |
| |
| final String word = message.substring(p, e).trim(); |
| if (SUMMARY_LENGTH <= r.length() + word.length() + 1) { |
| break; |
| } |
| if (r.length() > 0) { |
| r.append(' '); |
| } |
| r.append(word); |
| p = e + 1; |
| } |
| r.append(" \u2026"); |
| return r.toString(); |
| } |
| |
| public boolean isOpen() { |
| return content.isVisible(); |
| } |
| |
| public void setOpen(final boolean open) { |
| messageSummary.setVisible(!open); |
| content.setVisible(open); |
| } |
| |
| public boolean isRecent() { |
| return recent; |
| } |
| |
| public void setRecent(final boolean r) { |
| recent = r; |
| } |
| |
| private static class DoubleClickHTML extends HTML implements |
| HasDoubleClickHandlers { |
| public HandlerRegistration addDoubleClickHandler(DoubleClickHandler handler) { |
| return addDomHandler(handler, DoubleClickEvent.getType()); |
| } |
| } |
| } |