Add custom summary task editor part to display avatars

Change-Id: I13b19b9b65031bf295a6adf9e946e958681a716c
Signed-off-by: Kevin Sawicki <kevin@github.com>
Signed-off-by: Chris Aniszczyk <caniszczyk@gmail.com>

2 files changed, 238 insertions, 1 deletions

diff --git a/org.eclipse.mylyn.github.ui/src/org/eclipse/mylyn/github/ui/internal/AvatarLabel.java b/org.eclipse.mylyn.github.ui/src/org/eclipse/mylyn/github/ui/internal/AvatarLabel.java
index 881de7bb..924b5330 100644
--- a/org.eclipse.mylyn.github.ui/src/org/eclipse/mylyn/github/ui/internal/AvatarLabel.java
+++ b/org.eclipse.mylyn.github.ui/src/org/eclipse/mylyn/github/ui/internal/AvatarLabel.java
@@ -67,7 +67,7 @@ public class AvatarLabel implements IAvatarCallback {
 		if (!displayArea.isDisposed()) {
 			displayArea.setVisible(visible);
 			((GridData) displayArea.getLayoutData()).exclude = !visible;
-			displayArea.getParent().layout(true, true);
+			displayArea.getParent().getParent().layout(true, true);
 		}
 		return this;
 	}
diff --git a/org.eclipse.mylyn.github.ui/src/org/eclipse/mylyn/github/ui/internal/IssueSummaryPart.java b/org.eclipse.mylyn.github.ui/src/org/eclipse/mylyn/github/ui/internal/IssueSummaryPart.java
new file mode 100644
index 00000000..f3bfa532
--- /dev/null
+++ b/org.eclipse.mylyn.github.ui/src/org/eclipse/mylyn/github/ui/internal/IssueSummaryPart.java
@@ -0,0 +1,237 @@
+/*******************************************************************************
+ *  Copyright (c) 2011 GitHub Inc.
+ *  All rights reserved. This program and the accompanying materials
+ *  are made available under the terms of the Eclipse Public License v1.0
+ *  which accompanies this distribution, and is available at
+ *  http://www.eclipse.org/legal/epl-v10.html
+ *
+ *  Contributors:
+ *    Kevin Sawicki (GitHub Inc.) - initial API and implementation
+ *******************************************************************************/
+package org.eclipse.mylyn.github.ui.internal;
+
+import org.eclipse.jface.layout.GridDataFactory;
+import org.eclipse.jface.layout.GridLayoutFactory;
+import org.eclipse.mylyn.github.internal.GitHubTaskAttributes;
+import org.eclipse.mylyn.internal.tasks.ui.editors.DateAttributeEditor;
+import org.eclipse.mylyn.internal.tasks.ui.editors.EditorUtil;
+import org.eclipse.mylyn.internal.tasks.ui.editors.RichTextAttributeEditor;
+import org.eclipse.mylyn.internal.tasks.ui.editors.TaskEditorSummaryPart;
+import org.eclipse.mylyn.tasks.core.IRepositoryPerson;
+import org.eclipse.mylyn.tasks.core.ITaskMapping;
+import org.eclipse.mylyn.tasks.core.data.TaskAttribute;
+import org.eclipse.mylyn.tasks.ui.editors.AbstractAttributeEditor;
+import org.eclipse.mylyn.tasks.ui.editors.AbstractTaskEditorPart;
+import org.eclipse.swt.SWT;
+import org.eclipse.swt.layout.GridLayout;
+import org.eclipse.swt.widgets.Composite;
+import org.eclipse.ui.forms.widgets.FormToolkit;
+
+/**
+ * Issue summary task editor part modeled after {@link TaskEditorSummaryPart}
+ * but displaying reporter and assignee avatar images.
+ */
+public class IssueSummaryPart extends AbstractTaskEditorPart {
+
+	/**
+	 * AVATAR_SIZE
+	 */
+	public static final int AVATAR_SIZE = 48;
+
+	private AbstractAttributeEditor summaryEditor;
+
+	/**
+	 * Create issue summary part
+	 */
+	public IssueSummaryPart() {
+		setPartName("Summary"); //$NON-NLS-1$
+	}
+
+	private void addAttribute(Composite composite, FormToolkit toolkit,
+			TaskAttribute attribute) {
+		addAttribute(composite, toolkit, attribute,
+				EditorUtil.HEADER_COLUMN_MARGIN);
+	}
+
+	private void addAttribute(Composite composite, FormToolkit toolkit,
+			TaskAttribute attribute, int indent) {
+		addAttribute(composite, toolkit, attribute, indent, true);
+	}
+
+	private void addAttribute(Composite composite, FormToolkit toolkit,
+			TaskAttribute attribute, int indent, boolean showLabel) {
+		AbstractAttributeEditor editor = createAttributeEditor(attribute);
+		if (editor == null)
+			return;
+
+		editor.setReadOnly(true);
+		editor.setDecorationEnabled(false);
+
+		if (showLabel) {
+			editor.createLabelControl(composite, toolkit);
+			GridDataFactory.defaultsFor(editor.getLabelControl())
+					.indent(indent, 0).applyTo(editor.getLabelControl());
+		}
+
+		if (isAttribute(attribute, TaskAttribute.DATE_MODIFICATION)
+				&& editor instanceof DateAttributeEditor)
+			((DateAttributeEditor) editor).setShowTime(true);
+
+		editor.createControl(composite, toolkit);
+		getTaskEditorPage().getAttributeEditorToolkit().adapt(editor);
+	}
+
+	private boolean isAttribute(TaskAttribute attribute, String id) {
+		return attribute
+				.getId()
+				.equals(attribute.getTaskData().getAttributeMapper()
+						.mapToRepositoryKey(attribute.getParentAttribute(), id));
+	}
+
+	private void addSummaryText(Composite composite, final FormToolkit toolkit) {
+		TaskAttribute summaryAttrib = getTaskData().getRoot()
+				.getMappedAttribute(TaskAttribute.SUMMARY);
+		summaryEditor = createAttributeEditor(summaryAttrib);
+		if (summaryEditor == null)
+			return;
+
+		if (summaryAttrib.getMetaData().isReadOnly())
+			summaryEditor.setReadOnly(true);
+
+		if (summaryEditor instanceof RichTextAttributeEditor) {
+			Composite roundedBorder = EditorUtil.createBorder(composite,
+					toolkit, !summaryEditor.isReadOnly());
+			summaryEditor.createControl(roundedBorder, toolkit);
+			EditorUtil.setHeaderFontSizeAndStyle(summaryEditor.getControl());
+		} else {
+			final Composite border = toolkit.createComposite(composite);
+			GridDataFactory.fillDefaults().align(SWT.FILL, SWT.BEGINNING)
+					.hint(EditorUtil.MAXIMUM_WIDTH, SWT.DEFAULT)
+					.grab(true, false).applyTo(border);
+			GridLayoutFactory.fillDefaults().margins(1, 4).applyTo(border);
+			summaryEditor.createControl(border, toolkit);
+			GridDataFactory.fillDefaults().align(SWT.FILL, SWT.CENTER)
+					.grab(true, false).applyTo(summaryEditor.getControl());
+			toolkit.paintBordersFor(border);
+		}
+		getTaskEditorPage().getAttributeEditorToolkit().adapt(summaryEditor);
+	}
+
+	private TaskAttribute getAttribute(GitHubTaskAttributes attribute) {
+		return getAttribute(attribute.getId());
+	}
+
+	private TaskAttribute getAttribute(String id) {
+		return getTaskData().getRoot().getAttribute(id);
+	}
+
+	private boolean addAvatarPart(Composite parent, FormToolkit toolkit,
+			TaskAttribute avatarAttribute, IRepositoryPerson person) {
+		if (avatarAttribute == null)
+			return false;
+
+		AvatarLabel label = new AvatarLabel(GitHubUi.getDefault().getStore(),
+				person, avatarAttribute);
+		label.create(parent, toolkit);
+		return true;
+	}
+
+	/**
+	 * Create control
+	 * 
+	 * @param parent
+	 * @param toolkit
+	 */
+	public void createControl(Composite parent, FormToolkit toolkit) {
+		Composite composite = toolkit.createComposite(parent);
+		GridLayout layout = EditorUtil.createSectionClientLayout();
+		layout.numColumns = 1;
+		layout.marginHeight = 0;
+		layout.marginTop = 0;
+		layout.marginWidth = 0;
+		layout.verticalSpacing = 3;
+		composite.setLayout(layout);
+
+		TaskAttribute reporter = getAttribute(GitHubTaskAttributes.REPORTER);
+		if (reporter != null) {
+			IRepositoryPerson person = getTaskData().getAttributeMapper()
+					.getRepositoryPerson(reporter);
+			if (addAvatarPart(composite, toolkit,
+					getAttribute(GitHubTaskAttributes.REPORTER_GRAVATAR),
+					person))
+				layout.numColumns++;
+		}
+		addSummaryText(composite, toolkit);
+
+		TaskAttribute assignee = getAttribute(GitHubTaskAttributes.ASSIGNEE);
+		if (assignee != null) {
+			IRepositoryPerson person = getTaskData().getAttributeMapper()
+					.getRepositoryPerson(assignee);
+			if (addAvatarPart(composite, toolkit,
+					getAttribute(GitHubTaskAttributes.ASSIGNEE_GRAVATAR),
+					person))
+				layout.numColumns++;
+		}
+
+		if (needsHeader())
+			createHeaderLayout(composite, toolkit);
+
+		toolkit.paintBordersFor(composite);
+		setControl(composite);
+	}
+
+	private Composite createHeaderLayout(Composite composite,
+			FormToolkit toolkit) {
+		Composite headerComposite = toolkit.createComposite(composite);
+		GridLayout layout = new GridLayout(1, false);
+		layout.verticalSpacing = 1;
+		layout.marginHeight = 0;
+		layout.marginWidth = 0;
+		headerComposite.setLayout(layout);
+		GridDataFactory.fillDefaults().grab(true, false)
+				.applyTo(headerComposite);
+
+		TaskAttribute statusAtribute = getTaskData().getRoot()
+				.getMappedAttribute(TaskAttribute.STATUS);
+		addAttribute(headerComposite, toolkit, statusAtribute, 0);
+
+		ITaskMapping mapping = getTaskEditorPage().getConnector()
+				.getTaskMapping(getTaskData());
+		if (mapping != null && mapping.getResolution() != null
+				&& mapping.getResolution().length() > 0) {
+			TaskAttribute resolutionAtribute = getTaskData().getRoot()
+					.getMappedAttribute(TaskAttribute.RESOLUTION);
+			addAttribute(headerComposite, toolkit, resolutionAtribute, 0, false);
+		}
+
+		TaskAttribute dateCreation = getTaskData().getRoot()
+				.getMappedAttribute(TaskAttribute.DATE_CREATION);
+		addAttribute(headerComposite, toolkit, dateCreation);
+
+		TaskAttribute dateModified = getTaskData().getRoot()
+				.getMappedAttribute(TaskAttribute.DATE_MODIFICATION);
+		addAttribute(headerComposite, toolkit, dateModified);
+
+		// ensure layout does not wrap
+		layout.numColumns = headerComposite.getChildren().length;
+
+		// ensure that the composite does not show a bunch of blank space
+		if (layout.numColumns == 0) {
+			layout.numColumns = 1;
+			toolkit.createLabel(headerComposite, " "); //$NON-NLS-1$
+		}
+		return headerComposite;
+	}
+
+	private boolean needsHeader() {
+		return !getTaskData().isNew();
+	}
+
+	/**
+	 * @see org.eclipse.ui.forms.AbstractFormPart#setFocus()
+	 */
+	public void setFocus() {
+		if (summaryEditor != null)
+			summaryEditor.getControl().setFocus();
+	}
+}