| // Copyright (C) 2010 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.client.ui.ChangeLink; |
| import com.google.gerrit.client.ui.InlineHyperlink; |
| import com.google.gerrit.reviewdb.client.PatchSet; |
| import com.google.gwt.event.dom.client.KeyPressEvent; |
| import com.google.gwt.user.client.ui.Composite; |
| import com.google.gwt.user.client.ui.Grid; |
| import com.google.gwt.user.client.ui.HTMLTable.CellFormatter; |
| import com.google.gwt.user.client.ui.HasHorizontalAlignment; |
| import com.google.gwtexpui.globalkey.client.KeyCommand; |
| import com.google.gwtexpui.globalkey.client.KeyCommandSet; |
| import com.google.gwtexpui.safehtml.client.SafeHtml; |
| |
| class NavLinks extends Composite { |
| public enum Nav { |
| PREV (0, '[', PatchUtil.C.previousFileHelp(), 0), |
| NEXT (2, ']', PatchUtil.C.nextFileHelp(), 1); |
| |
| public int col; // Table Cell column to display link in |
| public int key; // key code shortcut to activate link |
| public String help; // help string for '?' popup |
| public int cmd; // index into cmds array |
| |
| Nav(int c, int k, String h, int i) { |
| this.col = c; |
| this.key = k; |
| this.help = h; |
| this.cmd = i; |
| } |
| } |
| |
| private final PatchSet.Id patchSetId; |
| private final KeyCommandSet keys; |
| private final Grid table; |
| |
| private KeyCommand cmds[] = new KeyCommand[2]; |
| |
| NavLinks(KeyCommandSet kcs, PatchSet.Id forPatch) { |
| patchSetId = forPatch; |
| keys = kcs; |
| table = new Grid(1, 3); |
| initWidget(table); |
| |
| final CellFormatter fmt = table.getCellFormatter(); |
| table.setStyleName(Gerrit.RESOURCES.css().sideBySideScreenLinkTable()); |
| fmt.setHorizontalAlignment(0, 0, HasHorizontalAlignment.ALIGN_LEFT); |
| fmt.setHorizontalAlignment(0, 1, HasHorizontalAlignment.ALIGN_CENTER); |
| fmt.setHorizontalAlignment(0, 2, HasHorizontalAlignment.ALIGN_RIGHT); |
| |
| final ChangeLink up = new ChangeLink("", patchSetId); |
| SafeHtml.set(up, SafeHtml.asis(Util.C.upToChangeIconLink())); |
| table.setWidget(0, 1, up); |
| } |
| |
| void display(int patchIndex, PatchScreen.Type type, PatchTable fileList) { |
| if (fileList != null) { |
| setupNav(Nav.PREV, fileList.getPreviousPatchLink(patchIndex, type)); |
| setupNav(Nav.NEXT, fileList.getNextPatchLink(patchIndex, type)); |
| } else { |
| setupNav(Nav.PREV, null); |
| setupNav(Nav.NEXT, null); |
| } |
| } |
| |
| protected void setupNav(final Nav nav, final InlineHyperlink link) { |
| |
| /* setup the cells */ |
| if (link != null) { |
| table.setWidget(0, nav.col, link); |
| } else { |
| table.clearCell(0, nav.col); |
| } |
| |
| /* setup the keys */ |
| if (keys != null) { |
| |
| if (cmds[nav.cmd] != null) { |
| keys.remove(cmds[nav.cmd]); |
| } |
| |
| if (link != null) { |
| cmds[nav.cmd] = new KeyCommand(0, nav.key, nav.help) { |
| @Override |
| public void onKeyPress(KeyPressEvent event) { |
| link.go(); |
| } |
| }; |
| } else { |
| cmds[nav.cmd] = new UpToChangeCommand(patchSetId, 0, nav.key); |
| } |
| |
| keys.add(cmds[nav.cmd]); |
| } |
| } |
| } |