X-Git-Url: https://git.argeo.org/?a=blobdiff_plain;f=eclipse%2Forg.argeo.cms.swt%2Fsrc%2Forg%2Fargeo%2Feclipse%2Fui%2Ffs%2FFsTableViewer.java;fp=eclipse%2Forg.argeo.cms.swt%2Fsrc%2Forg%2Fargeo%2Feclipse%2Fui%2Ffs%2FFsTableViewer.java;h=3b126e90bcdcc33dcc1b380e22f228f76a31ceb4;hb=8282011b0e20e80704b209ad55fa9fb132e16280;hp=0000000000000000000000000000000000000000;hpb=633a8acd189cc22f06944d278879601189be1bc8;p=lgpl%2Fargeo-commons.git

diff --git a/eclipse/org.argeo.cms.swt/src/org/argeo/eclipse/ui/fs/FsTableViewer.java b/eclipse/org.argeo.cms.swt/src/org/argeo/eclipse/ui/fs/FsTableViewer.java
new file mode 100644
index 000000000..3b126e90b
--- /dev/null
+++ b/eclipse/org.argeo.cms.swt/src/org/argeo/eclipse/ui/fs/FsTableViewer.java
@@ -0,0 +1,141 @@
+package org.argeo.eclipse.ui.fs;
+
+import java.nio.file.Path;
+import java.util.List;
+
+import org.argeo.eclipse.ui.ColumnDefinition;
+import org.eclipse.jface.viewers.CellLabelProvider;
+import org.eclipse.jface.viewers.ILazyContentProvider;
+import org.eclipse.jface.viewers.TableViewer;
+import org.eclipse.jface.viewers.TableViewerColumn;
+import org.eclipse.jface.viewers.Viewer;
+import org.eclipse.swt.SWT;
+import org.eclipse.swt.layout.GridData;
+import org.eclipse.swt.widgets.Composite;
+import org.eclipse.swt.widgets.Table;
+import org.eclipse.swt.widgets.TableColumn;
+
+/**
+ * Canonical implementation of a JFace table viewer to display the content of a
+ * file folder
+ */
+public class FsTableViewer extends TableViewer {
+	private static final long serialVersionUID = -5632407542678477234L;
+
+	private boolean showHiddenItems = false;
+	private boolean folderFirst = true;
+	private boolean reverseOrder = false;
+	private String orderProperty = FsUiConstants.PROPERTY_NAME;
+
+	private Path initialPath = null;
+
+	public FsTableViewer(Composite parent, int style) {
+		super(parent, style | SWT.VIRTUAL);
+	}
+
+	public Table configureDefaultSingleColumnTable(int tableWidthHint) {
+
+		return configureDefaultSingleColumnTable(tableWidthHint, new FileIconNameLabelProvider());
+	}
+
+	public Table configureDefaultSingleColumnTable(int tableWidthHint, CellLabelProvider labelProvider) {
+		Table table = this.getTable();
+		table.setLayoutData(new GridData(SWT.FILL, SWT.FILL, false, false));
+		table.setLinesVisible(false);
+		table.setHeaderVisible(false);
+		// CmsUtils.markup(table);
+		// CmsUtils.style(table, MaintenanceStyles.BROWSER_COLUMN);
+
+		TableViewerColumn column = new TableViewerColumn(this, SWT.NONE);
+		TableColumn tcol = column.getColumn();
+		tcol.setWidth(tableWidthHint);
+		column.setLabelProvider(labelProvider);
+		this.setContentProvider(new MyLazyCP());
+		return table;
+	}
+
+	public Table configureDefaultTable(List<ColumnDefinition> columns) {
+		this.setContentProvider(new MyLazyCP());
+		Table table = this.getTable();
+		table.setLinesVisible(true);
+		table.setHeaderVisible(true);
+		// CmsUtils.markup(table);
+		// CmsUtils.style(table, MaintenanceStyles.BROWSER_COLUMN);
+		for (ColumnDefinition colDef : columns) {
+			TableViewerColumn column = new TableViewerColumn(this, SWT.NONE);
+			column.setLabelProvider(colDef.getLabelProvider());
+			TableColumn tcol = column.getColumn();
+			tcol.setResizable(true);
+			tcol.setText(colDef.getLabel());
+			tcol.setWidth(colDef.getMinWidth());
+		}
+		return table;
+	}
+
+	public void setInput(Path dir, String filter) {
+		Path[] rows = FsUiUtils.getChildren(dir, filter, showHiddenItems, folderFirst, orderProperty, reverseOrder);
+		if (rows == null) {
+			this.setInput(null);
+			this.setItemCount(0);
+			return;
+		}
+		boolean isRoot;
+		try {
+			isRoot = dir.getRoot().equals(dir);
+		} catch (Exception e) {
+			// FIXME Workaround for JCR root node access
+			isRoot = dir.toString().equals("/");
+		}
+		final Object[] res;
+		if (isRoot)
+			res = rows;
+		else if (initialPath != null && initialPath.equals(dir))
+			res = rows;
+		else {
+			res = new Object[rows.length + 1];
+			res[0] = new ParentDir(dir.getParent());
+			for (int i = 1; i < res.length; i++) {
+				res[i] = rows[i - 1];
+			}
+		}
+		this.setInput(res);
+		int length = res.length;
+		this.setItemCount(length);
+		this.refresh();
+	}
+
+	/** Directly displays bookmarks **/
+	public void setPathsInput(Path... paths) {
+		this.setInput((Object[]) paths);
+		this.setItemCount(paths.length);
+		this.refresh();
+	}
+
+	/**
+	 * A path which is to be considered as root (and thus provide no link to a
+	 * parent directory)
+	 */
+	public void setInitialPath(Path initialPath) {
+		this.initialPath = initialPath;
+	}
+
+	private class MyLazyCP implements ILazyContentProvider {
+		private static final long serialVersionUID = 9096550041395433128L;
+		private Object[] elements;
+
+		public void dispose() {
+		}
+
+		public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
+			// IMPORTANT: don't forget this: an exception will be thrown if
+			// a selected object is not part of the results anymore.
+			viewer.setSelection(null);
+			this.elements = (Object[]) newInput;
+		}
+
+		public void updateElement(int index) {
+			if (index < elements.length)
+				FsTableViewer.this.replace(elements[index], index);
+		}
+	}
+}