Example usage for com.google.gwt.user.cellview.client AbstractCellTable addColumn

Introduction

In this page you can find the example usage for com.google.gwt.user.cellview.client AbstractCellTable addColumn.

Prototype

public void addColumn(Column<T, ?> col) 

Source Link

Document

Adds a column to the end of the table.

Usage

From source file:org.uberfire.ext.plugin.client.editor.DynamicMenuEditorView.java

License:Apache License

private void initTable(final AbstractCellTable<DynamicMenuItem> dynamicMenuTable) {
    dynamicMenuTable.setEmptyTableWidget(new Label(CommonConstants.INSTANCE.MenusNoMenuItems()));

    //We need to inform the SelectionModel that the ButtonCell (i.e. Delete) column is excluded from selecting a row
    final DefaultSelectionEventManager<DynamicMenuItem> manager = DefaultSelectionEventManager
            .createBlacklistManager(4);// w  w  w. j  ava2 s  .c om
    dynamicMenuTable.setSelectionModel(selectionModel, manager);

    //Furthermore we cannot have a KeyboardSelectionPolicy with a ButtonCell and a SelectionModel
    dynamicMenuTable.setKeyboardSelectionPolicy(HasKeyboardSelectionPolicy.KeyboardSelectionPolicy.DISABLED);

    {
        final IconCell iCell = new IconCell(IconType.ARROW_UP);
        iCell.setTooltip(CommonConstants.INSTANCE.MenusMoveUpHint());

        final Column<DynamicMenuItem, String> iconColumn = new Column<DynamicMenuItem, String>(iCell) {
            public String getValue(DynamicMenuItem object) {
                return "";
            }
        };

        iconColumn.setFieldUpdater(new FieldUpdater<DynamicMenuItem, String>() {
            @Override
            public void update(final int index, final DynamicMenuItem object, final String value) {
                presenter.updateIndex(object, index, DynamicMenuEditorPresenter.UpdateIndexOperation.UP);
            }
        });

        dynamicMenuTable.addColumn(iconColumn);
        dynamicMenuTable.setColumnWidth(iconColumn, "25px");
    }

    {
        final IconCell iCell = new IconCell(IconType.ARROW_DOWN);
        iCell.setTooltip(CommonConstants.INSTANCE.MenusMoveDownHint());

        final Column<DynamicMenuItem, String> iconColumn = new Column<DynamicMenuItem, String>(iCell) {
            public String getValue(DynamicMenuItem object) {
                return "";
            }
        };

        iconColumn.setFieldUpdater(new FieldUpdater<DynamicMenuItem, String>() {
            @Override
            public void update(final int index, final DynamicMenuItem object, final String value) {
                presenter.updateIndex(object, index, DynamicMenuEditorPresenter.UpdateIndexOperation.DOWN);
            }
        });

        dynamicMenuTable.addColumn(iconColumn);
        dynamicMenuTable.setColumnWidth(iconColumn, "25px");
    }

    {
        final TextColumn<DynamicMenuItem> activityCol = new TextColumn<DynamicMenuItem>() {

            @Override
            public String getValue(DynamicMenuItem object) {
                return String.valueOf(object.getActivityId());
            }
        };

        dynamicMenuTable.addColumn(activityCol, CommonConstants.INSTANCE.MenusActivityID());
    }

    {
        final TextColumn<DynamicMenuItem> labelCol = new TextColumn<DynamicMenuItem>() {

            @Override
            public String getValue(DynamicMenuItem object) {
                return object.getMenuLabel();
            }
        };

        dynamicMenuTable.addColumn(labelCol, CommonConstants.INSTANCE.MenusLabel());
    }

    {
        final ButtonCell buttonCell = new ButtonCell(IconType.REMOVE, ButtonType.DANGER,
                ButtonSize.EXTRA_SMALL);

        final Column<DynamicMenuItem, String> buttonCol = new Column<DynamicMenuItem, String>(buttonCell) {
            @Override
            public String getValue(DynamicMenuItem object) {
                return CommonConstants.INSTANCE.MenusDelete();
            }
        };

        buttonCol.setFieldUpdater(new FieldUpdater<DynamicMenuItem, String>() {
            @Override
            public void update(final int index, final DynamicMenuItem object, final String value) {
                if (selectionModel.isSelected(object)) {
                    selectionModel.clear();
                }
                presenter.removeObject(object);
            }
        });

        dynamicMenuTable.addColumn(buttonCol);
        dynamicMenuTable.setColumnWidth(buttonCol, "80px");
    }

    selectionModel.addSelectionChangeHandler(new Handler() {

        @Override
        public void onSelectionChange(SelectionChangeEvent event) {
            //ListDataProvider raises this event with a null item when a item is removed
            if (selectionModel.getSelectedObject() == null) {
                editedItem = null;
                setMenuItem(new DynamicMenuItem());
            } else {
                editedItem = selectionModel.getSelectedObject();
                setMenuItem(new DynamicMenuItem(selectionModel.getSelectedObject().getActivityId(),
                        selectionModel.getSelectedObject().getMenuLabel()));
            }
        }
    });

    presenter.setDataDisplay(dynamicMenuTable);
}

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