Java tutorial
/* * Copyright 2013 Hewlett-Packard Development Company, L.P * * 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.hp.alm.ali.idea.ui; import com.hp.alm.ali.idea.impl.GotoFileModel; import com.hp.alm.ali.idea.rest.RestService; import com.hp.alm.ali.idea.ui.event.KeyboardStateFollower; import com.hp.alm.ali.idea.model.Entity; import com.intellij.ide.BrowserUtil; import com.intellij.ide.util.EditSourceUtil; import com.intellij.ide.util.gotoByName.ChooseByNameModel; import com.intellij.navigation.NavigationItem; import com.intellij.openapi.project.Project; import com.intellij.openapi.ui.Messages; import com.intellij.ui.components.labels.LinkLabel; import com.intellij.ui.components.labels.LinkListener; import javax.swing.BorderFactory; import javax.swing.BoxLayout; import javax.swing.JLabel; import javax.swing.JPanel; import java.awt.Color; import java.awt.Dimension; import java.awt.FlowLayout; import java.awt.Font; import java.awt.GridBagConstraints; import java.awt.GridBagLayout; import java.util.List; import java.util.regex.Pattern; public class ChangesetPanel extends JPanel { public static final String OPERATION_ADDED = "Added"; public static final String OPERATION_MODIFIED = "Modified"; public static final String OPERATION_REMOVED = "Removed"; private Project project; private RestService restService; private String revStr; private String descStr; private String ownerStr; private boolean descriptionFilter; public ChangesetPanel(Project project, Entity changeset, boolean descriptionFilter) { this.project = project; this.descriptionFilter = descriptionFilter; restService = project.getComponent(RestService.class); setLayout(new BoxLayout(this, BoxLayout.Y_AXIS)); setAlignmentX(LEFT_ALIGNMENT); JPanel header = new JPanel(); header.setBorder( BorderFactory.createCompoundBorder(BorderFactory.createMatteBorder(0, 0, 1, 0, Color.BLACK), BorderFactory.createEmptyBorder(5, 0, 0, 0))); header.setLayout(new GridBagLayout()); header.setBackground(Color.WHITE); GridBagConstraints c = new GridBagConstraints(); c.gridx = 0; c.gridy = 0; c.fill = GridBagConstraints.HORIZONTAL; revStr = changeset.getPropertyValue("rev"); JLabel revision = new FixedLabel("Rev. " + revStr, 50); revision.setHorizontalAlignment(JLabel.LEFT); revision.setForeground(Color.GRAY); c.weightx = 0.2; header.add(revision, c); c.gridx++; descStr = changeset.getPropertyValue("description"); JLabel description = new FixedLabel(descStr, 250); c.weightx = 0.6; header.add(description, c); c.gridx++; ownerStr = changeset.getPropertyValue("owner"); JLabel author = new FixedLabel(ownerStr, 180); author.setFont(author.getFont().deriveFont(Font.BOLD)); c.weightx = 0.2; header.add(author, c); c.gridx++; JLabel date = new FixedLabel(changeset.getPropertyValue("date"), 140); c.weightx = 0.0; header.add(date); add(header); } private boolean matches(String filter) { if (filter == null) { return true; } if (containsIgnoreCase(ownerStr, filter) || containsIgnoreCase(revStr, filter)) { return true; } if (descriptionFilter && containsIgnoreCase(descStr, filter)) { return true; } return false; } private boolean containsIgnoreCase(String str, String substr) { return Pattern.compile(Pattern.quote(substr), Pattern.CASE_INSENSITIVE).matcher(str).find(); } public void addFiles(List<Entity> files, String filter) { boolean matches = matches(filter); for (final Entity file : files) { final String filePath = file.getPropertyValue("path"); if (!matches && !containsIgnoreCase(filePath, filter)) { continue; } JPanel panel = new JPanel(new FlowLayout(FlowLayout.LEFT, 2, 0)); panel.setBackground(Color.WHITE); final String operationFull = file.getPropertyValue("operation"); String operation = operationFull.substring(0, 1); if ("FILE".equals(file.getPropertyValue("file-type")) && (OPERATION_MODIFIED.equals(operationFull) || OPERATION_ADDED.equals(operationFull))) { // TODO: support replace LinkLabel action = new LinkLabel("[" + operation + "]", null); action.setListener(new LinkListener() { @Override public void linkSelected(LinkLabel aSource, Object aLinkData) { if (file.getPropertyValue("diff-link").isEmpty() || KeyboardStateFollower.getState().isShiftDown()) { restService.launchProjectUrl("scm/file-diff?file=" + file.getId()); } else { BrowserUtil.launchBrowser(file.getPropertyValue("diff-link")); } } }, null); panel.add(action); } else { panel.add(new JLabel("[" + operation + "]")); } LinkLabel path = new LinkLabel(filePath, null); path.setListener(new LinkListener() { @Override public void linkSelected(LinkLabel aSource, Object aLinkData) { if (!KeyboardStateFollower.getState().isCtrlDown() && !KeyboardStateFollower.getState().isShiftDown()) { String fileName = filePath.replaceFirst(".*[/\\\\]", ""); ChooseByNameModel gotoFileModel = GotoFileModel.getGotoFileModel(project); Object[] elems = gotoFileModel.getElementsByName(fileName, false, fileName); // out of the many possibilities, take the one with longest match (better idea?) // try to figure out actual mapping is probably too difficult String filePathReverted = new StringBuffer(filePath).reverse().toString(); Object chosenElem = null; int longestMatch = 0; for (Object elem : elems) { String fullNameReverted = new StringBuffer(gotoFileModel.getFullName(elem)).reverse() .toString(); int match = prefixLength(fullNameReverted, filePathReverted); if (chosenElem == null || match > longestMatch) { chosenElem = elem; longestMatch = match; } } if (chosenElem instanceof NavigationItem) { EditSourceUtil.navigate((NavigationItem) chosenElem, true, true); return; } } if (!file.getPropertyValue("file-link").isEmpty() && !KeyboardStateFollower.getState().isShiftDown()) { BrowserUtil.launchBrowser(file.getPropertyValue("file-link")); } else if (OPERATION_REMOVED.equals(operationFull)) { Messages.showInfoMessage("Couldn't locate file in the project.", "Not Available"); } else { restService.launchProjectUrl("scm/file-view?file=" + file.getId()); } } }, null); panel.add(path); JLabel branch = new JLabel(file.getPropertyValue("branch")); panel.add(branch); add(panel); } revalidate(); repaint(); } private int prefixLength(String str1, String str2) { int len1 = str1.length(); int len2 = str2.length(); int i; for (i = 0; i < len1 && i < len2; i++) { if (str1.charAt(i) != str2.charAt(i)) { break; } } return i; } public Dimension getMaximumSize() { return getPreferredSize(); } }