// Copyright (C) 2008 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.changes;
import static com.google.gerrit.client.FormatUtil.shortFormat;
import com.google.gerrit.client.FormatUtil;
import com.google.gerrit.client.Gerrit;
import com.google.gerrit.client.patches.PatchUtil;
import com.google.gerrit.client.rpc.GerritCallback;
import com.google.gerrit.client.ui.AccountDashboardLink;
import com.google.gerrit.client.ui.BranchLink;
import com.google.gerrit.client.ui.ChangeLink;
import com.google.gerrit.client.ui.NavigationTable;
import com.google.gerrit.client.ui.NeedsSignInKeyCommand;
import com.google.gerrit.client.ui.ProjectLink;
import com.google.gerrit.common.PageLinks;
import com.google.gerrit.common.data.AccountInfo;
import com.google.gerrit.common.data.AccountInfoCache;
import com.google.gerrit.common.data.ApprovalSummary;
import com.google.gerrit.common.data.ApprovalSummarySet;
import com.google.gerrit.common.data.ApprovalType;
import com.google.gerrit.common.data.ChangeInfo;
import com.google.gerrit.common.data.ToggleStarRequest;
import com.google.gerrit.reviewdb.Account;
import com.google.gerrit.reviewdb.ApprovalCategory;
import com.google.gerrit.reviewdb.ApprovalCategoryValue;
import com.google.gerrit.reviewdb.Change;
import com.google.gerrit.reviewdb.PatchSetApproval;
import com.google.gwt.dom.client.Element;
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.resources.client.ImageResource;
import com.google.gwt.user.client.DOM;
import com.google.gwt.user.client.ui.Image;
import com.google.gwt.user.client.ui.UIObject;
import com.google.gwt.user.client.ui.Widget;
import com.google.gwt.user.client.ui.FlexTable.FlexCellFormatter;
import com.google.gwt.user.client.ui.HTMLTable.Cell;
import com.google.gwt.user.client.ui.HTMLTable.CellFormatter;
import com.google.gwtjsonrpc.client.VoidResult;
import java.util.ArrayList;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;
public class ChangeTable extends NavigationTable<ChangeInfo> {
private static final int C_STAR = 1;
private static final int C_ID = 2;
private static final int C_SUBJECT = 3;
private static final int C_OWNER = 4;
private static final int C_PROJECT = 5;
private static final int C_BRANCH = 6;
private static final int C_LAST_UPDATE = 7;
private static final int BASE_COLUMNS = 8;
private final List<Section> sections;
private AccountInfoCache accountCache = AccountInfoCache.empty();
private final List<ApprovalType> approvalTypes;
private final int columns;
public ChangeTable() {
this(false);
}
public ChangeTable(boolean showApprovals) {
approvalTypes = Gerrit.getConfig().getApprovalTypes().getApprovalTypes();
if (showApprovals) {
columns = BASE_COLUMNS + approvalTypes.size();
} else {
columns = BASE_COLUMNS;
}
keysNavigation.add(new PrevKeyCommand(0, 'k', Util.C.changeTablePrev()));
keysNavigation.add(new NextKeyCommand(0, 'j', Util.C.changeTableNext()));
keysNavigation.add(new OpenKeyCommand(0, 'o', Util.C.changeTableOpen()));
keysNavigation.add(new OpenKeyCommand(0, KeyCodes.KEY_ENTER, Util.C
.changeTableOpen()));
if (Gerrit.isSignedIn()) {
keysAction.add(new StarKeyCommand(0, 's', Util.C.changeTableStar()));
}
sections = new ArrayList<Section>();
table.setText(0, C_STAR, "");
table.setText(0, C_ID, Util.C.changeTableColumnID());
table.setText(0, C_SUBJECT, Util.C.changeTableColumnSubject());
table.setText(0, C_OWNER, Util.C.changeTableColumnOwner());
table.setText(0, C_PROJECT, Util.C.changeTableColumnProject());
table.setText(0, C_BRANCH, Util.C.changeTableColumnBranch());
table.setText(0, C_LAST_UPDATE, Util.C.changeTableColumnLastUpdate());
for (int i = BASE_COLUMNS; i < columns; i++) {
final ApprovalType type = approvalTypes.get(i - BASE_COLUMNS);
final ApprovalCategory cat = type.getCategory();
String text = cat.getAbbreviatedName();
if (text == null) {
text = cat.getName();
}
table.setText(0, i, text);
if (text != null) {
table.getCellFormatter().getElement(0, i).setTitle(cat.getName());
}
}
final FlexCellFormatter fmt = table.getFlexCellFormatter();
fmt.addStyleName(0, C_STAR, Gerrit.RESOURCES.css().iconHeader());
fmt.addStyleName(0, C_ID, Gerrit.RESOURCES.css().cID());
for (int i = C_ID; i < columns; i++) {
fmt.addStyleName(0, i, Gerrit.RESOURCES.css().dataHeader());
}
table.addClickHandler(new ClickHandler() {
@Override
public void onClick(final ClickEvent event) {
final Cell cell = table.getCellForEvent(event);
if (cell == null) {
return;
}
if (cell.getCellIndex() == C_STAR) {
onStarClick(cell.getRowIndex());
} else if (cell.getCellIndex() == C_OWNER) {
// Don't do anything.
} else if (getRowItem(cell.getRowIndex()) != null) {
movePointerTo(cell.getRowIndex());
}
}
});
}
protected void onStarClick(final int row) {
final ChangeInfo c = getRowItem(row);
if (c != null && Gerrit.isSignedIn()) {
final boolean prior = c.isStarred();
c.setStarred(!prior);
setStar(row, c);
final ToggleStarRequest req = new ToggleStarRequest();
req.toggle(c.getId(), c.isStarred());
Util.LIST_SVC.toggleStars(req, new GerritCallback<VoidResult>() {
public void onSuccess(final VoidResult result) {
}
@Override
public void onFailure(final Throwable caught) {
super.onFailure(caught);
c.setStarred(prior);
setStar(row, c);
}
});
}
}
@Override
protected Object getRowItemKey(final ChangeInfo item) {
return item.getId();
}
@Override
protected void onOpenRow(final int row) {
final ChangeInfo c = getRowItem(row);
Gerrit.display(PageLinks.toChange(c), new ChangeScreen(c));
}
private void insertNoneRow(final int row) {
insertRow(row);
table.setText(row, 0, Util.C.changeTableNone());
final FlexCellFormatter fmt = table.getFlexCellFormatter();
fmt.setColSpan(row, 0, columns);
fmt.setStyleName(row, 0, Gerrit.RESOURCES.css().emptySection());
}
private void insertChangeRow(final int row) {
insertRow(row);
applyDataRowStyle(row);
}
@Override
protected void applyDataRowStyle(final int row) {
super.applyDataRowStyle(row);
final CellFormatter fmt = table.getCellFormatter();
fmt.addStyleName(row, C_STAR, Gerrit.RESOURCES.css().iconCell());
for (int i = C_ID; i < columns; i++) {
fmt.addStyleName(row, i, Gerrit.RESOURCES.css().dataCell());
}
fmt.addStyleName(row, C_ID, Gerrit.RESOURCES.css().cID());
fmt.addStyleName(row, C_SUBJECT, Gerrit.RESOURCES.css().cSUBJECT());
fmt.addStyleName(row, C_PROJECT, Gerrit.RESOURCES.css().cPROJECT());
fmt.addStyleName(row, C_BRANCH, Gerrit.RESOURCES.css().cPROJECT());
fmt.addStyleName(row, C_LAST_UPDATE, Gerrit.RESOURCES.css().cLastUpdate());
for (int i = BASE_COLUMNS; i < columns; i++) {
fmt.addStyleName(row, i, Gerrit.RESOURCES.css().cAPPROVAL());
}
}
private void populateChangeRow(final int row, final ChangeInfo c) {
final String idstr = c.getKey().abbreviate();
table.setWidget(row, C_ARROW, null);
if (Gerrit.isSignedIn()) {
setStar(row, c);
}
table.setWidget(row, C_ID, new TableChangeLink(idstr, c));
String s = c.getSubject();
if (s.length() > 80) {
s = s.substring(0, 80);
}
if (c.getStatus() != null && c.getStatus() != Change.Status.NEW) {
s += " (" + c.getStatus().name() + ")";
}
table.setWidget(row, C_SUBJECT, new TableChangeLink(s, c));
table.setWidget(row, C_OWNER, link(c.getOwner()));
table.setWidget(row, C_PROJECT, new ProjectLink(c.getProject().getKey(), c
.getStatus()));
table.setWidget(row, C_BRANCH, new BranchLink(c.getProject().getKey(), c
.getStatus(), c.getBranch(), c.getTopic()));
table.setText(row, C_LAST_UPDATE, shortFormat(c.getLastUpdatedOn()));
setRowItem(row, c);
}
private AccountDashboardLink link(final Account.Id id) {
return AccountDashboardLink.link(accountCache, id);
}
private void setStar(final int row, final ChangeInfo c) {
final ImageResource star;
if (c.isStarred()) {
star = Gerrit.RESOURCES.starFilled();
} else {
star = Gerrit.RESOURCES.starOpen();
}
final Widget i = table.getWidget(row, C_STAR);
if (i instanceof Image) {
((Image) i).setResource(star);
} else {
table.setWidget(row, C_STAR, new Image(star));
}
}
public void addSection(final Section s) {
assert s.parent == null;
if (s.titleText != null) {
s.titleRow = table.getRowCount();
table.setText(s.titleRow, 0, s.titleText);
final FlexCellFormatter fmt = table.getFlexCellFormatter();
fmt.setColSpan(s.titleRow, 0, columns);
fmt.addStyleName(s.titleRow, 0, Gerrit.RESOURCES.css().sectionHeader());
} else {
s.titleRow = -1;
}
s.parent = this;
s.dataBegin = table.getRowCount();
insertNoneRow(s.dataBegin);
sections.add(s);
}
public void setAccountInfoCache(final AccountInfoCache aic) {
assert aic != null;
accountCache = aic;
}
private int insertRow(final int beforeRow) {
for (final Section s : sections) {
if (beforeRow <= s.titleRow) {
s.titleRow++;
}
if (beforeRow < s.dataBegin) {
s.dataBegin++;
}
}
return table.insertRow(beforeRow);
}
private void removeRow(final int row) {
for (final Section s : sections) {
if (row < s.titleRow) {
s.titleRow--;
}
if (row < s.dataBegin) {
s.dataBegin--;
}
}
table.removeRow(row);
}
private void displayApprovals(final int row, final ApprovalSummary summary,
final AccountInfoCache aic, final boolean highlightUnreviewed) {
final CellFormatter fmt = table.getCellFormatter();
final Map<ApprovalCategory.Id, PatchSetApproval> approvals =
summary.getApprovalMap();
int col = BASE_COLUMNS;
boolean haveReview = false;
for (final ApprovalType type : approvalTypes) {
final PatchSetApproval ca = approvals.get(type.getCategory().getId());
fmt.removeStyleName(row, col, Gerrit.RESOURCES.css().negscore());
fmt.removeStyleName(row, col, Gerrit.RESOURCES.css().posscore());
if (ca == null || ca.getValue() == 0) {
table.clearCell(row, col);
} else {
haveReview = true;
if (type.isMaxNegative(ca)) {
table.setWidget(row, col, new Image(Gerrit.RESOURCES.redNot()));
} else if (type.isMaxPositive(ca)) {
table.setWidget(row, col, new Image(Gerrit.RESOURCES.greenCheck()));
} else {
String vstr = String.valueOf(ca.getValue());
if (ca.getValue() > 0) {
vstr = "+" + vstr;
fmt.addStyleName(row, col, Gerrit.RESOURCES.css().posscore());
} else {
fmt.addStyleName(row, col, Gerrit.RESOURCES.css().negscore());
}
table.setText(row, col, vstr);
}
final ApprovalCategoryValue acv = type.getValue(ca);
final AccountInfo ai = aic.get(ca.getAccountId());
// Some web browsers ignore the embedded newline; some like it;
// so we include a space before the newline to accommodate both.
//
fmt.getElement(row, col).setTitle(
acv.getName() + " \nby " + FormatUtil.nameEmail(ai));
}
col++;
}
final Element tr = DOM.getParent(fmt.getElement(row, 0));
UIObject.setStyleName(tr, Gerrit.RESOURCES.css().needsReview(), !haveReview
&& highlightUnreviewed);
}
GerritCallback<ApprovalSummarySet> approvalFormatter(final int dataBegin,
final int rows, final boolean highlightUnreviewed) {
return new GerritCallback<ApprovalSummarySet>() {
@Override
public void onSuccess(final ApprovalSummarySet as) {
Map<Change.Id, ApprovalSummary> ids = as.getSummaryMap();
AccountInfoCache aic = as.getAccountInfoCache();
for (int row = dataBegin; row < dataBegin + rows; row++) {
final ChangeInfo c = getRowItem(row);
if (ids.containsKey(c.getId())) {
displayApprovals(row, ids.get(c.getId()), aic, highlightUnreviewed);
}
}
}
};
}
public class StarKeyCommand extends NeedsSignInKeyCommand {
public StarKeyCommand(int mask, char key, String help) {
super(mask, key, help);
}
@Override
public void onKeyPress(final KeyPressEvent event) {
onStarClick(getCurrentRow());
}
}
private final class TableChangeLink extends ChangeLink {
private TableChangeLink(final String text, final ChangeInfo c) {
super(text, c);
}
@Override
public void go() {
movePointerTo(id);
super.go();
}
}
public enum ApprovalViewType {
NONE, USER, STRONGEST
}
public static class Section {
String titleText;
ChangeTable parent;
final ApprovalViewType viewType;
final Account.Id ownerId;
int titleRow = -1;
int dataBegin;
int rows;
public Section() {
this(null, ApprovalViewType.NONE, null);
}
public Section(final String titleText) {
this(titleText, ApprovalViewType.NONE, null);
}
public Section(final String titleText, final ApprovalViewType view,
final Account.Id owner) {
setTitleText(titleText);
viewType = view;
ownerId = owner;
}
public void setTitleText(final String text) {
titleText = text;
if (titleRow >= 0) {
parent.table.setText(titleRow, 0, titleText);
}
}
public void display(final List<ChangeInfo> changeList) {
final int sz = changeList != null ? changeList.size() : 0;
final boolean hadData = rows > 0;
if (hadData) {
while (sz < rows) {
parent.removeRow(dataBegin);
rows--;
}
}
if (sz == 0) {
if (hadData) {
parent.insertNoneRow(dataBegin);
}
} else {
Set<Change.Id> cids = new HashSet<Change.Id>();
if (!hadData) {
parent.removeRow(dataBegin);
}
while (rows < sz) {
parent.insertChangeRow(dataBegin + rows);
rows++;
}
for (int i = 0; i < sz; i++) {
ChangeInfo c = changeList.get(i);
parent.populateChangeRow(dataBegin + i, c);
cids.add(c.getId());
}
switch (viewType) {
case NONE:
break;
case USER:
PatchUtil.DETAIL_SVC.userApprovals(cids, ownerId, parent
.approvalFormatter(dataBegin, rows, true));
break;
case STRONGEST:
PatchUtil.DETAIL_SVC.strongestApprovals(cids, parent
.approvalFormatter(dataBegin, rows, false));
break;
}
}
}
}
}