Examples with TreeColumn org.eclipse.swt.widgets.TreeColumn used on opensource projects

Example 46 with TreeColumn

use of org.eclipse.swt.widgets.TreeColumn in project eclipse.platform.swt by eclipse.

the class TreeTab method initializeSortState.

/**
 * Sets the initial sort indicator state and adds a listener
 * to cycle through sort states and columns.
 */
void initializeSortState(final Tree tree) {
    /* Reset to known state: 'down' on column 0. */
    tree.setSortDirection(SWT.DOWN);
    TreeColumn[] columns = tree.getColumns();
    for (int i = 0; i < columns.length; i++) {
        TreeColumn column = columns[i];
        if (i == 0)
            tree.setSortColumn(column);
        SelectionListener listener = widgetSelectedAdapter(e -> {
            int sortDirection = SWT.DOWN;
            if (e.widget == tree.getSortColumn()) {
                /* If the sort column hasn't changed, cycle down -> up -> none. */
                switch(tree.getSortDirection()) {
                    case SWT.DOWN:
                        sortDirection = SWT.UP;
                        break;
                    case SWT.UP:
                        sortDirection = SWT.NONE;
                        break;
                }
            } else {
                tree.setSortColumn((TreeColumn) e.widget);
            }
            tree.setSortDirection(sortDirection);
        });
        column.addSelectionListener(listener);
        // $NON-NLS-1$
        column.setData("SortListener", listener);
    }
}

Example 47 with TreeColumn

use of org.eclipse.swt.widgets.TreeColumn in project eclipse.platform.swt by eclipse.

the class Bug529126_TreeMouseDown method main.

// Static =================================================================
public static void main(String[] args) {
    final Display display = new Display();
    final Shell shell = new Shell(display);
    shell.setText("Custom gradient selection for Tree");
    shell.setLayout(new FillLayout());
    final Tree tree = new Tree(shell, SWT.MULTI | SWT.FULL_SELECTION | SWT.VIRTUAL);
    tree.setHeaderVisible(true);
    tree.setLinesVisible(true);
    final int columnCount = 4;
    for (int i = 0; i < columnCount; i++) {
        final TreeColumn column = new TreeColumn(tree, SWT.NONE);
        column.setText("Column " + i);
    }
    final int itemCount = 5;
    for (int i = 0; i < itemCount; i++) {
        final TreeItem item1 = new TreeItem(tree, SWT.NONE);
        for (int j = 0; j < i; j++) {
            final TreeItem item2 = new TreeItem(item1, SWT.NONE);
            for (int k = 0; k < j; k++) {
                new TreeItem(item2, SWT.NONE);
            }
        }
    }
    tree.addListener(SWT.SetData, event -> {
        final TreeItem item = (TreeItem) event.item;
        final TreeItem parentItem = item.getParentItem();
        final String text;
        if (parentItem != null) {
            final String parentText = (String) parentItem.getData();
            text = parentText + event.index + "/";
        } else {
            text = "/";
        }
        item.setData(text);
    });
    tree.addListener(SWT.PaintItem, event -> {
        final TreeItem item = (TreeItem) event.item;
        final String text = (String) item.getData();
        event.gc.drawText(text + " [" + event.index + "]", event.x, event.y, true);
    });
    /*
		 * NOTE: MeasureItem, PaintItem and EraseItem are called repeatedly.
		 * Therefore, it is critical for performance that these methods be
		 * as efficient as possible.
		 */
    tree.addListener(SWT.EraseItem, event -> {
        event.detail &= ~SWT.HOT;
        if ((event.detail & SWT.SELECTED) != 0) {
            final GC gc = event.gc;
            final Rectangle area = tree.getClientArea();
            /*
				 * If you wish to paint the selection beyond the end of
				 * last column, you must change the clipping region.
				 */
            final int columnCount1 = tree.getColumnCount();
            if (event.index == columnCount1 - 1 || columnCount1 == 0) {
                final int width = area.x + area.width - event.x;
                if (width > 0) {
                    final Region region = new Region();
                    gc.getClipping(region);
                    region.add(event.x, event.y, width, event.height);
                    gc.setClipping(region);
                    region.dispose();
                }
            }
            gc.setAdvanced(true);
            if (gc.getAdvanced()) {
                gc.setAlpha(127);
            }
            final Rectangle rect = event.getBounds();
            final Color foreground = gc.getForeground();
            final Color background = gc.getBackground();
            gc.setForeground(display.getSystemColor(SWT.COLOR_RED));
            gc.setBackground(display.getSystemColor(SWT.COLOR_LIST_BACKGROUND));
            gc.fillGradientRectangle(0, rect.y, 500, rect.height, false);
            // restore colors for subsequent drawing
            gc.setForeground(foreground);
            gc.setBackground(background);
            event.detail &= ~SWT.SELECTED;
        }
    });
    tree.getColumn(0).setWidth(200);
    for (int i = 1; i < columnCount; i++) {
        tree.getColumn(i).pack();
    }
    tree.setSelection(tree.getItem(0));
    tree.addListener(SWT.MouseDown, event -> System.out.println("event = " + event));
    shell.setSize(500, 500);
    shell.open();
    while (!shell.isDisposed()) {
        if (!display.readAndDispatch()) {
            display.sleep();
        }
    }
    display.dispose();
}

Example 48 with TreeColumn

use of org.eclipse.swt.widgets.TreeColumn in project eclipse.platform.swt by eclipse.

the class MJ_Tree method bug73812_treeColumn_getWidth_0.

@Test
public void bug73812_treeColumn_getWidth_0() {
    Shell shell = mkShell("Verify that all columns are of same width. (100).");
    shell.setSize(SWIDTH, SHEIGHT);
    shell.setLayout(new FillLayout());
    final Tree tt = new Tree(shell, SWT.FULL_SELECTION | SWT.MULTI | SWT.VIRTUAL);
    tt.setLinesVisible(true);
    tt.setHeaderVisible(true);
    for (int i = 0; i < 10; i++) {
        TreeColumn tc = new TreeColumn(tt, SWT.NONE);
        tc.setWidth(100);
        System.out.println(tc.getWidth());
        tc.setWidth(tc.getWidth());
        tc.setText("Column " + i);
    }
    for (int i = 0; i < 100; i++) {
        new TreeItem(tt, SWT.NONE);
    }
    shell.open();
    mainLoop(shell);
}

Example 49 with TreeColumn

use of org.eclipse.swt.widgets.TreeColumn in project dbeaver by dbeaver.

the class ExasolBaseTableToolDialog method getScriptListener.

@Override
protected SQLScriptProgressListener<ExasolTableBase> getScriptListener() {
    final int nbExtraColumns = getNumberExtraResultingColumns();
    return new SQLScriptStatusDialog<ExasolTableBase>(getTitle() + " " + ExasolMessages.dialog_table_tools_progress, null) {

        @Override
        protected void createStatusColumns(Tree objectTree) {
            TreeColumn msgColumn = new TreeColumn(objectTree, SWT.NONE);
            msgColumn.setText(ExasolMessages.dialog_table_tools_result);
            for (int i = 0; i < nbExtraColumns; i++) {
                new TreeColumn(objectTree, SWT.NONE);
            }
        }

        @Override
        public void endObjectProcessing(@NotNull ExasolTableBase exasolTable, Exception exception) {
            TreeItem treeItem = getTreeItem(exasolTable);
            if (exception == null) {
                treeItem.setText(1, ExasolMessages.dialog_table_tools_success_title);
            } else {
                treeItem.setText(1, exception.getMessage());
            }
            UIUtils.packColumns(treeItem.getParent(), false, null);
        }

        // DF: This method is for tools that return resultsets
        @Override
        public void processObjectResults(@NotNull ExasolTableBase exasolTable, @Nullable DBCStatement statement, @Nullable DBCResultSet resultSet) throws DBCException {
            if (resultSet == null) {
                return;
            }
            // Retrieve column names
            DBCResultSetMetaData rsMetaData = resultSet.getMeta();
            try {
                TreeItem treeItem = getTreeItem(exasolTable);
                Font f = UIUtils.makeBoldFont(treeItem.getFont());
                if (treeItem != null) {
                    // Display the column names
                    TreeItem subItem = null;
                    subItem = new TreeItem(treeItem, SWT.NONE);
                    subItem.setFont(f);
                    for (DBCAttributeMetaData column : rsMetaData.getAttributes()) {
                        subItem.setText(column.getOrdinalPosition(), column.getName());
                        subItem.setGrayed(true);
                    }
                    // Display the data for each row
                    while (resultSet.nextRow()) {
                        subItem = new TreeItem(treeItem, SWT.NONE);
                        for (int i = 0; i < rsMetaData.getAttributes().size(); i++) {
                            subItem.setText(i, CommonUtils.toString(resultSet.getAttributeValue(i)));
                            i++;
                        }
                    }
                    treeItem.setExpanded(true);
                }
            } catch (Exception e) {
                throw new DBCException(e.getMessage());
            }
        }
    };
}

Example 50 with TreeColumn

use of org.eclipse.swt.widgets.TreeColumn in project dbeaver by dbeaver.

the class TableToolDialog method getScriptListener.

@Override
protected SQLScriptProgressListener<PostgreObject> getScriptListener() {
    return new SQLScriptStatusDialog<PostgreObject>(getTitle() + " progress", null) {

        @Override
        protected void createStatusColumns(Tree objectTree) {
            TreeColumn msgColumn = new TreeColumn(objectTree, SWT.NONE);
            msgColumn.setText("Message");
        }

        @Override
        public void processObjectResults(@NotNull PostgreObject object, @Nullable DBCStatement statement, @Nullable DBCResultSet resultSet) throws DBCException {
            if (statement == null) {
                return;
            }
            TreeItem treeItem = getTreeItem(object);
            if (treeItem != null) {
                try {
                    int warnNum = 0;
                    SQLWarning warning = ((JDBCStatement) statement).getWarnings();
                    while (warning != null) {
                        if (warnNum == 0) {
                            treeItem.setText(1, warning.getMessage());
                        } else {
                            TreeItem warnItem = new TreeItem(treeItem, SWT.NONE);
                            warnItem.setText(0, "");
                            warnItem.setText(1, warning.getMessage());
                        }
                        warnNum++;
                        warning = warning.getNextWarning();
                    }
                    if (warnNum == 0) {
                        treeItem.setText(1, "Done");
                    }
                } catch (SQLException e) {
                // ignore
                }
                treeItem.setExpanded(true);
            }
        }

        @Override
        public void endObjectProcessing(@NotNull PostgreObject object, Exception error) {
            super.endObjectProcessing(object, error);
            if (error != null) {
                TreeItem treeItem = getTreeItem(object);
                if (treeItem != null) {
                    treeItem.setText(1, error.getMessage());
                }
            }
        }
    };
}