Difference between revisions of "JFaceSnippets"

Revision as of 04:56, 8 September 2018

JFace-Snippets are small easy understandable programming example how to use the JFace API. To browse the examples, navigate to the examples GIT repository.

The header section of each snippet is a link to the plain source. You can copy the source and paste it directly on the source folder or package in an eclipse project. The package and the class will be created automatically.

Dialogs

Dialog with Image Buttons

Demonstrates usage of Icons in Buttons of Dialogs

Layout

Grid Layout Factory

Demonstrates usage of the GridLayoutFactory to make more readable

Snippet016TableLayout

Demonstrates (dynamic)layout support for TableColumns available as of JFace 3.3

Snippet027TreeLayout

Demonstrates (dynamic)layout support for TreeColumns available as of JFace 3.3

Viewers

Snippet001TableViewer

Demonstrates a simply TableViewer with one column. It holds all important classes used for all Table-like JFace-Viewers (LabelProvider,IStructuredContentProvider)

Snippet002TreeViewer

Demonstrates a simply TreeViewer with one column. It describes all important classes used for all Tree-like JFace-Viewers (LabelProvider,ITreeContentProvider)

Snippet003TableLabelProvider

Demonstrates tables with more than one column and the usage of ITableLabelProvider

Snippet004HideSelection

Demonstrates how the selection can be hidden when the user click in a tablerow/column which doesn't hold any information. The standard behaviour of SWT-Table is to leave the selection on the last column. This snippet removes the selection if the user clicks in an area not selectable

Snippet005TreeCustomMenu

Demonstrates how to create a different context menu depending on which item in the tree is currently selected this can also be used with a table of course

Snippet006TableMultiLineCells

Demonstrates first use case for the new OwnerDraw-Support added to JFace in 3.3 (available at SWT-Level since 3.2). This example uses the new Viewers API in this special case the OwnerDrawLabelProvider to make items with more than one line of text.

Snippet007FullSelection

Demonstrates how you can use a use inline editing in tables with multiple columns which requires to use SWT.FULL_SELECTION but hiding the selection from the user.

Snippet008RevealElement

Demonstrates how you can scroll a TableViewer to the specific model element using TableViewer#reveal(Object)

Snippet009CellEditors

Demonstrates minimal example when trying to add inline editing to tables to get familiar with the various classes needed (3.2 API)

Snippet010OwnerDraw

Demonstrates usage of new OwnerDraw-Support feature provided by JFace in 3.3(available in SWT since 3.2). This example uses the new Viewers API in this special case the OwnerDrawLabelProvider.

Snippet011CustomTooltips

Demonstrates usage of new custom tooltip support in 3.3 used to provide a tooltip for each cell in TableViewer

Snippet013TableViewerNoMandatoryLabelProvider

Demonstrates usage of none mandatory LabelProviders in TableViewers to set colors and fonts with 3.2-API

Snippet014TreeViewerNoMandatoryLabelProvider

Demonstrates usage of none mandatory LabelProviders in TreeViewers to set colors and font with 3.2-API

Snippet015CustomTooltipsForTree

Demonstrates usage of new custom tooltip support in 3.3 used to provide a tooltip for each cell in a TreeViewer

Snippet017TableViewerHideShowColumns

Demonstrates hiding and showing of columns (animated)

Snippet018TableViewerAddRemoveColumnsWithEditing

Demonstrates adding/removing of columns in conjunction with inline editing which makes this a bit tougher than without it (using 3.2 API)

Snippet019TableViewerAddRemoveColumnsWithEditingNewAPI

Demonstrates adding/removing of columns in conjunction with the inline editing but with the new JFace-API who makes this a much easier and less error prone

Snippet021CellEditorsOnDoubleClick

Demonstrates editor activation on double-click with the 3.2 API which makes this fairly complex

Snippet022TableViewerRefreshNoScroll

Demonstrates how to refresh and viewer without scrolling the selection into after the refresh with 3.2 API. In 3.3 a special refresh-API for TableViewers is added.

File:Snippet022TableViewerRefreshNoScroll.png

Snippet024TableViewerExploreNewAPI

Demonstrates the base classes of 3.3 API

Snippet025TabEditing

Demonstrates how one can use the new 3.3 API to add tab-editing support to your viewer

Snippet026TreeViewerTabEditing

Demonstrates all fancy things one can do with new 3.3 API (Tab-Editing, Keyboard-Navigation from Cell to Cell, Editor-Activation with the Keyboard)

Snippet027ComboBoxCellEditors

Demonstrates usage of the ComboBoxCellEditor in JFace-Viewers

Snippet029VirtualTableViewer

Demonstrates usage of JFace-Viewers in virtual mode with an ordinary content provider (often the bottel neck is not the model but the UI). Using this Virtual viewers in conjunction with an ordinary content provider has the advantage that Sorting and Filtering is supported in 3.3.

File:Snippet029VirtualTableViewer.png

Snippet030VirtualLazyTableViewer

Demonstrates usage of JFace-Viewer virtual mode with a lazy content provider

File:Snippet030VirtualLazyTableViewer.png

Snippet031TableViewerCustomTooltipsMultiSelection

Demonstrates creation of tooltips for cells for pre 3.3 users

Snippet034CellEditorPerRowNewAPI

Demonstrates different CellEditor-Types in one COLUMN of JFace-Viewers

Snippet035TableCursorCellHighlighter

Demonstrates keyboard navigation in TableViewers using a TableCursor showing the flexibility of the new cell navigation support

Snippet036FocusBorderCellHighlighter

Demonstrates keyboard navigation by highlighting the currently selected cell with a focus border showing once more the flexibility of the new cell navigation support

Snippet037FancyCustomTooltips

Demonstrates customizability of the 3.3 JFace-Support for cell tooltips using the Browser-Widget and presenting HTML

Snippet038TreeViewerInlinelEditingOldAPI

Demonstrates editing support as of 3.2 for TreeViewers

File:Snippet038TreeViewerInlinelEditingOldAPI.png

Snippet039ListViewer

Demonstrates a very simple usage of ListViewer

Snippet040TableViewerSorting

Demonstrates sorting(asc/desc) in TableViewers by clicking the column header. This snippet uses classes from JFace 3.3 but can be easily adopted to work with JFace from 3.2

Snippet041TableViewerAlternatingColors

Demonstrates how to achieve alternating row-colors with TableViewer and the new JFace 3.3 API which allows for faster algorithms and can be used in conjunction with virtual-bits to even work with big tables (e.g. 100,000 rows in this example).

Snippet042ToolTipSupportFor32API

Because ColumnViewerToolTipSupport forces one to use the new 3.3 CellLabelProvider-API it is of no use for people stuck with the old LabelProvider API. This snippet shows how a potential class for 3.2 API could look like.

Snippet043NoColumnTreeViewerKeyboardEditing

Demonstrates the JFace 3.3 keyboard editing support for Trees without columns. Tabbing from editor to editor is supported since 3.4.

File:Snippet043NoColumnTreeViewerKeyboardEditing.png

Snippet044NoColumnTableViewerKeyboardEditing

Demonstrates the JFace 3.3 keyboard editing support for Tables without columns. Tabbing from editor to editor is supported since 3.4.

File:Snippet044NoColumnTableViewerKeyboardEditing.png

Snippet045TableViewerFillFromBackgroundThread

Demonstrates how a TableViewer with a sorter can be filled from a NON-UI thread

File:Snippet045TableViewerFillFromBackgroundThread.png

Snippet046UpdateViewerFromBackgroundThread

Demonstrates how to update a viewer from a long running task (which is executed in a thread) and calls back to the UI-Thread using asyncExec

File:Snippet046UpdateViewerFromBackgroundThread.png

Snippet047VirtualLazyTreeViewer

Demonstrates the usage of ILazyContentProvider in conjunction with a Virtual-TreeViewer

Snippet048TreeViewerTabWithCheckboxFor3_3

Demonstrates how to overcome a limitation when it comes to key-navigation and CheckBoxEditors in 3.3.1.

Snippet049StyledCellLabelProvider

Demonstrates a new LabelProvider-Type which uses StyleRanges. This Snippet requires SWT/JFace 3.4.

Snippet050DelegatingStyledCellLabelProvider

Demonstrates how you can add styled text by wrapping an existing label provider. This Snippet requires SWT/JFace 3.4.

Snippet051TableCenteredImage

Demonstrate how to center an image using owner draw. This snippet requires SWT/JFace 3.3.

Snippet052DoubleClickCellEditor

Demonstrate how to start cell-editors on double click. This snippet requires SWT/JFace 3.3

Snippet053StartEditorWithContextMenu

Demonstrate how to start up an editor with a context menu and not with mouse clicking on the cell.

Snippet055HideShowColumn

Demonstrate hiding and showing columns

Snippet056BooleanCellEditor

Demonstrate a custom cell-editor which uses a real Checkbox-Button

Snippet057TableViewerSkipHiddenCells

Example of showing how easy cell-navigation with hidden cells is in 3.4

Snippet058CellNavigationIn34

Example for full feature cell navigation until bug 230955 is fixed

File:Snippet058CellNavigationIn34.png

Snippet060TextCellEditorWithContentProposal

Show how to use content-proposal inside a CellEditor

Snippet061FakedNativeCellEditor

Full featured native looking viewer with checkboxes in an arbitary column

Snippet062TextAndDialogCellEditor

Demonstrates usage of TextAndDialogCellEditor. The email column uses the TextAndDialogCellEditor; othe columns use ordinary TextCellEditor.

Snippet063ComboViewer

Show how to use ComboViewer and set a inital selection

Window

Snippet020CustomizedControlTooltips

Demonstrates usage of new JFace 3.3 to show really cool ToolTips for your controls

Snippet031TableStaticTooltip

Demonstrates creation of ToolTips for Tables without using the JFace-Viewers API but only JFace-Tooltips

Wizard

Wizard with Long Running Operation from Page

Demonstrates how to work with JFace-Wizards and fill a TableViewer from a Background-Thread without blocking the UI showing a progress bar in the meanwhile

Wizard with Progress and Cancel

Demonstrates a wizard with internal progress.

File:Snippet071WizardWithProgressAndCancel.png

Wizard with Progress Subtasks and Cancel

Demonstrates a wizard with internal progress using SubMonitor and subtasks.