impl'd utils and base undecorated dialog

Signed-off-by: Andre Dietisheim <[email protected]>

src/main/java/com/redhat/devtools/intellij/common/ui/UndecoratedDialog.java

@@ -0,0 +1,86 @@
+/*******************************************************************************
+ * Copyright (c) 2024 Red Hat, Inc.
+ * Distributed under license by Red Hat, Inc. All rights reserved.
+ * This program is made available under the terms of the
+ * Eclipse Public License v2.0 which accompanies this distribution,
+ * and is available at http://www.eclipse.org/legal/epl-v20.html
+ *
+ * Contributors:
+ * Red Hat, Inc. - initial API and implementation
+ ******************************************************************************/
+package com.redhat.devtools.intellij.common.ui;
+
+import com.intellij.openapi.actionSystem.ActionManager;
+import com.intellij.openapi.actionSystem.AnAction;
+import com.intellij.openapi.actionSystem.AnActionEvent;
+import com.intellij.openapi.actionSystem.CommonShortcuts;
+import com.intellij.openapi.project.DumbAwareAction;
+import com.intellij.openapi.project.Project;
+import com.intellij.openapi.ui.DialogWrapper;
+import com.intellij.openapi.wm.impl.IdeGlassPaneEx;
+import com.intellij.ui.PopupBorder;
+import com.intellij.ui.WindowMoveListener;
+import com.intellij.ui.WindowResizeListener;
+import com.intellij.util.Consumer;
+import com.intellij.util.ui.JBUI;
+import java.awt.Component;
+import java.awt.Window;
+import java.util.stream.Stream;
+import javax.swing.JComponent;
+import javax.swing.JRootPane;
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
+
+abstract public class UndecoratedDialog extends DialogWrapper {
+
+  public UndecoratedDialog(@Nullable Project project,
+                           @Nullable Component parentComponent,
+                           boolean canBeParent,
+                           @NotNull IdeModalityType ideModalityType,
+                           boolean createSouth) {
+    super(project, parentComponent, canBeParent, ideModalityType, createSouth);
+    init();
+  }
+
+  @Override
+  protected void init() {
+    super.init();
+    setUndecorated(true);
+    Window dialogWindow = getPeer().getWindow();
+    setBorders();
+  }
+
+  protected void closeImmediately() {
+    if (isVisible()) {
+      doCancelAction();
+    }
+  }
+
+  protected void registerEscapeShortcut(Consumer<AnActionEvent> onEscape) {
+    AnAction escape = ActionManager.getInstance().getAction("EditorEscape");
+    DumbAwareAction.create(onEscape::accept)
+      .registerCustomShortcutSet(
+        escape == null ? CommonShortcuts.ESCAPE : escape.getShortcutSet(),
+        getRootPane(),
+        getDisposable());
+  }
+
+  protected void setGlassPaneResizable() {
+    WindowResizeListener resizeListener = new WindowResizeListener(getRootPane(), JBUI.insets(10), null);
+    IdeGlassPaneEx glassPane = (IdeGlassPaneEx) getRootPane().getGlassPane();
+    glassPane.addMousePreprocessor(resizeListener, getDisposable());
+    glassPane.addMouseMotionPreprocessor(resizeListener, getDisposable());
+  }
+
+  protected void setMovableUsing(JComponent... movableComponents) {
+    WindowMoveListener windowMoveListener = new WindowMoveListener(getRootPane());
+    Stream.of(movableComponents).forEach(
+      component -> component.addMouseListener(windowMoveListener));
+  }
+
+  private void setBorders() {
+    getRootPane().setBorder(PopupBorder.Factory.create(true, true));
+    getRootPane().setWindowDecorationStyle(JRootPane.NONE);
+  }
+
+}

src/main/java/com/redhat/devtools/intellij/common/utils/ApplicationUtils.java

@@ -0,0 +1,25 @@
+/*******************************************************************************
+ * Copyright (c) 2024 Red Hat, Inc.
+ * Distributed under license by Red Hat, Inc. All rights reserved.
+ * This program is made available under the terms of the
+ * Eclipse Public License v2.0 which accompanies this distribution,
+ * and is available at http://www.eclipse.org/legal/epl-v20.html
+ *
+ * Contributors:
+ * Red Hat, Inc. - initial API and implementation
+ ******************************************************************************/
+package com.redhat.devtools.intellij.common.utils;
+
+import com.intellij.openapi.application.ApplicationManager;
+
+import java.util.concurrent.Executor;
+
+public class ApplicationUtils {
+
+  public static final Executor UI_EXECUTOR = (Runnable runnable) ->
+    ApplicationManager.getApplication().invokeLater(runnable);
+
+  public static final Executor PLATFORM_EXECUTOR = (Runnable runnable) ->
+    ApplicationManager.getApplication().executeOnPooledThread(runnable);
+
+}

src/main/java/com/redhat/devtools/intellij/common/utils/SwingUtils.java

@@ -0,0 +1,38 @@
+/*******************************************************************************
+ * Copyright (c) 2024 Red Hat, Inc.
+ * Distributed under license by Red Hat, Inc. All rights reserved.
+ * This program is made available under the terms of the
+ * Eclipse Public License v2.0 which accompanies this distribution,
+ * and is available at http://www.eclipse.org/legal/epl-v20.html
+ *
+ * Contributors:
+ * Red Hat, Inc.
+ ******************************************************************************/
+package com.redhat.devtools.intellij.common.utils;
+
+import com.intellij.openapi.actionSystem.AnActionEvent;
+
+import java.awt.Point;
+import java.awt.event.MouseEvent;
+
+public class SwingUtils {
+
+  private SwingUtils() {
+  }
+
+  /**
+   * Returns the location of the mouse for a given {@link AnActionEvent}.
+   * Returns {@code null} if the location could not be determined.
+   *
+   * @param actionEvent the action event to retrieve the mouse location from
+   * @return the mouse location
+   */
+  public static Point getMouseLocation(AnActionEvent actionEvent) {
+    Point location = null;
+    MouseEvent event = ((MouseEvent) actionEvent.getInputEvent());
+    if (event != null) {
+      location = event.getLocationOnScreen();
+    }
+    return location;
+  }
+}

src/main/java/com/redhat/devtools/intellij/common/utils/UrlUtils.java

@@ -0,0 +1,37 @@
+/*******************************************************************************
+ * Copyright (c) 2024 Red Hat, Inc.
+ * Distributed under license by Red Hat, Inc. All rights reserved.
+ * This program is made available under the terms of the
+ * Eclipse Public License v2.0 which accompanies this distribution,
+ * and is available at http://www.eclipse.org/legal/epl-v20.html
+ *
+ * Contributors:
+ * Red Hat, Inc. - initial API and implementation
+ ******************************************************************************/
+package com.redhat.devtools.intellij.common.utils;
+
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+public class UrlUtils {
+
+  private static final Pattern HTTP_URL_REGEX = Pattern.compile("https?://((www\\.)?[-a-zA-Z0-9@:%._\\+~#=]{1,256}\\.[a-zA-Z0-9()]{1,6})\\b([-a-zA-Z0-9()@:%_\\+.~#?&//=]*)");
+  private UrlUtils() {}
+
+  /**
+   * Returns the host portion of the given url. Returns {@code null} otherwise.
+   * @param url the url to get the host portion from
+   * @return the host portion of the given url
+   */
+  public static String getHost(String url) {
+    if (url == null) {
+      return null;
+    }
+    Matcher matcher = HTTP_URL_REGEX.matcher(url);
+    if (!matcher.matches()) {
+      return null;
+    }
+    return matcher.group(1);
+  }
+
+}

src/test/java/com/redhat/devtools/intellij/common/utils/UrlUtilsTest.java

@@ -0,0 +1,46 @@
+/*******************************************************************************
+ * Copyright (c) 2024 Red Hat, Inc.
+ * Distributed under license by Red Hat, Inc. All rights reserved.
+ * This program is made available under the terms of the
+ * Eclipse Public License v2.0 which accompanies this distribution,
+ * and is available at http://www.eclipse.org/legal/epl-v20.html
+ *
+ * Contributors:
+ * Red Hat, Inc. - initial API and implementation
+ ******************************************************************************/
+package com.redhat.devtools.intellij.common.utils;
+
+import org.junit.Test;
+
+public class UrlUtilsTest {
+
+  @Test
+  public void should_return_host_for_valid_url() {
+    // given
+    String url = "https://www.redhat.com";
+    // when
+    String host = UrlUtils.getHost(url);
+    // then
+    org.assertj.core.api.Assertions.assertThat(host).isEqualTo("www.redhat.com");
+  }
+
+  @Test
+  public void should_return_null_for_invalid_url() {
+    // given
+    String url = "red-carpet";
+    // when
+    String host = UrlUtils.getHost(url);
+    // then
+    org.assertj.core.api.Assertions.assertThat(host).isNull();
+  }
+
+  @Test
+  public void should_return_host_for_url_with_path() {
+    // given
+    String url = "https://www.redhat.com/en/about/open-source";
+    // when
+    String host = UrlUtils.getHost(url);
+    // then
+    org.assertj.core.api.Assertions.assertThat(host).isEqualTo("www.redhat.com");
+  }
+}