From 62fe0d412eea802492a6d2a3fee8384ec1d685ae Mon Sep 17 00:00:00 2001
From: Mathieu Baudier <mbaudier@argeo.org>
Date: Thu, 21 Jan 2021 14:53:15 +0100
Subject: [PATCH] Introduce terms editable part.

---
 org.argeo.entity.ui/bnd.bnd                   |   3 +
 .../entity/ui/forms/TermsEditablePart.java    | 120 ++++++++++++++++++
 .../org/argeo/docbook/ui/DbkContextMenu.java  |   3 +-
 3 files changed, 124 insertions(+), 2 deletions(-)
 create mode 100644 org.argeo.entity.ui/src/org/argeo/entity/ui/forms/TermsEditablePart.java

diff --git a/org.argeo.entity.ui/bnd.bnd b/org.argeo.entity.ui/bnd.bnd
index e69de29..e7cd4cb 100644
--- a/org.argeo.entity.ui/bnd.bnd
+++ b/org.argeo.entity.ui/bnd.bnd
@@ -0,0 +1,3 @@
+Import-Package:\
+org.eclipse.swt,\
+*
\ No newline at end of file
diff --git a/org.argeo.entity.ui/src/org/argeo/entity/ui/forms/TermsEditablePart.java b/org.argeo.entity.ui/src/org/argeo/entity/ui/forms/TermsEditablePart.java
new file mode 100644
index 0000000..7440822
--- /dev/null
+++ b/org.argeo.entity.ui/src/org/argeo/entity/ui/forms/TermsEditablePart.java
@@ -0,0 +1,120 @@
+package org.argeo.entity.ui.forms;
+
+import java.util.List;
+
+import javax.jcr.Item;
+
+import org.argeo.cms.ui.forms.FormStyle;
+import org.argeo.cms.ui.util.CmsUiUtils;
+import org.argeo.cms.ui.viewers.EditablePart;
+import org.argeo.cms.ui.widgets.ContextOverlay;
+import org.argeo.cms.ui.widgets.StyledControl;
+import org.argeo.eclipse.ui.MouseDoubleClick;
+import org.argeo.eclipse.ui.MouseDown;
+import org.argeo.entity.TermsManager;
+import org.argeo.jcr.Jcr;
+import org.eclipse.swt.SWT;
+import org.eclipse.swt.events.FocusEvent;
+import org.eclipse.swt.events.FocusListener;
+import org.eclipse.swt.layout.GridLayout;
+import org.eclipse.swt.widgets.Composite;
+import org.eclipse.swt.widgets.Control;
+import org.eclipse.swt.widgets.Label;
+import org.eclipse.swt.widgets.Text;
+
+/** {@link EditablePart} for terms. */
+public class TermsEditablePart extends StyledControl implements EditablePart {
+	private static final long serialVersionUID = -4961135649177920808L;
+	private TermsManager termsManager;
+	private String typology;
+
+	public TermsEditablePart(Composite parent, int style, Item item, TermsManager termsManager, String typology) {
+		super(parent, style, item);
+		this.termsManager = termsManager;
+		this.typology = typology;
+	}
+
+	@Override
+	protected Control createControl(Composite box, String style) {
+		if (isEditing()) {
+			Text txt = new Text(box, SWT.SINGLE | SWT.BORDER);
+			CmsUiUtils.style(txt, style == null ? FormStyle.propertyText.style() : style);
+
+			ContextOverlay contextOverlay = new ContextOverlay(txt, SWT.NONE) {
+				private static final long serialVersionUID = -7980078594405384874L;
+
+				@Override
+				protected void onHide() {
+					stopEditing();
+				}
+			};
+			contextOverlay.setLayout(new GridLayout());
+			// filter
+			txt.addModifyListener((e) -> {
+				String filter = txt.getText().toLowerCase();
+				if ("".equals(filter.trim()))
+					filter = null;
+				refresh(contextOverlay, filter, txt);
+			});
+			txt.addFocusListener(new FocusListener() {
+				private static final long serialVersionUID = -6024501573409619949L;
+
+				@Override
+				public void focusLost(FocusEvent event) {
+//					if (!contextOverlay.isDisposed() && contextOverlay.isShellVisible())
+//						getDisplay().asyncExec(() -> stopEditing());
+				}
+
+				@Override
+				public void focusGained(FocusEvent event) {
+					// txt.setText("");
+					if (!contextOverlay.isDisposed() && !contextOverlay.isShellVisible())
+						refresh(contextOverlay, null, txt);
+				}
+			});
+			layout(new Control[] { txt });
+			getDisplay().asyncExec(() -> txt.setFocus());
+			return txt;
+		} else {
+			Label lbl = new Label(box, SWT.SINGLE);
+		//	lbl.setEditable(false);
+			String currentValue = Jcr.get(getNode(), typology);
+			if (currentValue != null) {
+				String display = getTermLabel(currentValue);
+				lbl.setText(display);
+			} else
+				lbl.setText("[" + typology + "]");
+			CmsUiUtils.style(lbl, style == null ? FormStyle.propertyText.style() : style);
+
+			lbl.addMouseListener((MouseDoubleClick) (e) -> {
+				startEditing();
+			});
+			return lbl;
+		}
+	}
+
+	protected String getTermLabel(String name) {
+		return name;
+	}
+
+	protected void refresh(ContextOverlay contextArea, String filter, Text txt) {
+		CmsUiUtils.clear(contextArea);
+		List<String> terms = termsManager.listAllTerms(typology);
+		terms: for (String term : terms) {
+			String display = getTermLabel(term);
+			if (filter != null && !display.toLowerCase().contains(filter))
+				continue terms;
+			Label termL = new Label(contextArea, SWT.WRAP);
+			termL.setText(display);
+			termL.addMouseListener((MouseDown) (e) -> {
+				Jcr.set(getNode(), typology, term);
+				Jcr.save(getNode());
+				contextArea.hide();
+				stopEditing();
+			});
+		}
+		contextArea.show();
+		// txt.setFocus();
+	}
+
+}
diff --git a/publishing/org.argeo.publishing.ui/src/org/argeo/docbook/ui/DbkContextMenu.java b/publishing/org.argeo.publishing.ui/src/org/argeo/docbook/ui/DbkContextMenu.java
index 24a759c..ef2695a 100644
--- a/publishing/org.argeo.publishing.ui/src/org/argeo/docbook/ui/DbkContextMenu.java
+++ b/publishing/org.argeo.publishing.ui/src/org/argeo/docbook/ui/DbkContextMenu.java
@@ -15,7 +15,6 @@ import org.argeo.cms.ui.viewers.Section;
 import org.argeo.cms.ui.viewers.SectionPart;
 import org.argeo.cms.ui.widgets.EditableText;
 import org.argeo.cms.ui.widgets.Img;
-import org.argeo.cms.ui.widgets.TextStyles;
 import org.argeo.docbook.DbkMsg;
 import org.argeo.docbook.DbkUtils;
 import org.argeo.eclipse.ui.MouseDown;
@@ -33,7 +32,7 @@ import org.eclipse.swt.widgets.Label;
 import org.eclipse.swt.widgets.Shell;
 
 /** Dialog to edit a text part. */
-class DbkContextMenu implements TextStyles {
+class DbkContextMenu {
 	private final AbstractDbkViewer textViewer;
 
 	private Shell shell;
-- 
2.30.2