Package com.iizix.swt

Class SWTHelper

java.lang.Object
com.iizix.swt.SWTHelper
public class SWTHelper extends Object
Some SWT helpers.
Author:
Christopher Mindus

  • Constructor Details

    • SWTHelper

      public SWTHelper()

  • Method Details

    • resizeColumns

      public static void resizeColumns(Table table)
      Packs the tables columns and resizes the last column in a table to fit the table width.
      Parameters:
      table - The table to resize the last column.

    • resizeColumns

      public static void resizeColumns(Tree tree)
      Packs the tree table columns and resizes the last column in a table to fit the table width.
      Parameters:
      tree - The tree table to resize the last column.

    • addTableColumnResizer

      public static void addTableColumnResizer(Table table)
      Adds a table column re-sizer to make the last column resize with the table and dialog box.
      Parameters:
      table - The table to resize the last column.

    • addTreeColumnResizer

      public static void addTreeColumnResizer(Tree tree)
      Adds a table column re-sizer to make the last column resize with the table and dialog box.
      Parameters:
      tree - The tree to resize the last column.

    • addTableSorter

      public static void addTableSorter(Table table, String... dataKeys)
      Adds a table sorter.

    • addEditableTableColumn

      public static TableEditor addEditableTableColumn(Table table, int column, int minimumWidth, ModifyListener modifyListener)
      Adds an editable column for a table.
      Parameters:
      table - The table.
      column - The column index.
      minimumWidth - The minimum pixel width of the Text editor (for layout).
      modifyListener - Possible listener for entry field Text modifications.
      Returns:
      The table editor created.

    • getEditedTableLine

      public static int getEditedTableLine()
      Gets the edited line number of a Table Editor.

    • getEditedTableText

      public static Text getEditedTableText()
      Gets the entry field being edited, null for none.

    • createImage

      public static Image createImage(int rgb, int width, int height)
      Create an image of a color.
      Parameters:
      rgb - RGB value color.
      width - Width of image.
      height - Height of image.
      Returns:
      The image filled with the color.

    • createImage

      public static Image createImage(int rgb, int width, int height, boolean doFrame)
      Create an image of a color.
      Parameters:
      rgb - RGB value color.
      width - Width of image.
      height - Height of image.
      doFrame - If the image should be framed.
      Returns:
      The image filled with the color.

    • createImage

      public static Image createImage(int r, int g, int b, int width, int height)
      Create an image of a color.
      Parameters:
      r - Red color of image (0-255).
      g - Green color of image (0-255).
      b - Blue color of image (0-255).
      width - Width of image.
      height - Height of image.
      Returns:
      The image filled with the color.

    • createImage

      public static Image createImage(int r, int g, int b, int width, int height, boolean doFrame)
      Create an image of a color.
      Parameters:
      r - Red color of image (0-255).
      g - Green color of image (0-255).
      b - Blue color of image (0-255).
      width - Width of image.
      height - Height of image.
      doFrame - If the image should be framed.
      Returns:
      The image filled with the color.

    • createImage

      public static Image createImage(Color color, int width, int height)
      Create an image of the specified color.
      Parameters:
      color - Color of image.
      width - Width of image.
      height - Height of image.
      Returns:
      The image filled with the color.

    • createImage

      public static Image createImage(Color color, int width, int height, boolean doFrame)
      Create an image of the specified color.
      Parameters:
      color - Color of image.
      width - Width of image.
      height - Height of image.
      doFrame - If the image should be framed.
      Returns:
      The image filled with the color.

    • showPopupMenu

      public static void showPopupMenu(Menu menu, ToolItem item)
      Displays a drop-down menu below a control.

    • showPopupMenu

      public static void showPopupMenu(IzMenu menu, ToolItem item)
      Displays a drop-down menu below a control.

    • showPopupMenu

      public static void showPopupMenu(Menu menu, Control control)
      Displays a drop-down menu below a control.

    • showPopupMenu

      public static void showPopupMenu(IzMenu menu, Control control)
      Displays a drop-down menu below a control.

    • showPopupMenu

      public static void showPopupMenu(Menu menu, Control control, int xOffset, int yOffset)
      Displays a drop-down menu below a control.

    • showPopupMenu

      public static void showPopupMenu(IzMenu menu, Control control, int xOffset, int yOffset)
      Displays a drop-down menu below a control.

    • showPopupMenu

      public static void showPopupMenu(Menu menu, int x, int y)
      Displays a drop-down menu at screen location.

    • showPopupMenu

      public static void showPopupMenu(IzMenu menu, int x, int y)
      Displays a drop-down menu at screen location.

    • showPopupMenu

      public static void showPopupMenu(Menu menu)
      Displays a drop-down menu at screen location where mouse is located.

    • showPopupMenu

      public static void showPopupMenu(IzMenu menu)
      Displays a drop-down menu at screen location where mouse is located.

    • expandAll

      public static void expandAll(TreeViewer viewer)
      Performs the Expand all on a tree viewer, very fast.

    • getFocusControl

      public static Control getFocusControl(Composite composite)
      Gets the control in focus for a composite.
      Returns:
      The control having focus in the composite, of null for none.

    • fixComboMWScroll

      public static void fixComboMWScroll(Control combo)
      Fix for Combobox processing mouse wheel when not focused in Win32, eating mouse from scroll pane.

    • setEnabledRecursive

      public static void setEnabledRecursive(Control control, boolean isEnabled)
      Enables or disables a control/composite and all its children.
      Parameters:
      control - The control or composite.
      isEnabled - Enabled flag.

    • addMenuSeparator

      public static void addMenuSeparator(Menu menu)
      Adds a menu separator.
      Parameters:
      menu - The menu.

    • enableDialogMove

      public static void enableDialogMove(Shell shell)
      Enables move of a dialog box.
      Parameters:
      shell - The shell that should be movable.

    • addCapsLockWarning

      public static void addCapsLockWarning(Text passwordField)
      Adds a caps-lock warning decorator to a password field. If you call this method multiple times for the same password field, nothing will happen (except for the first time).
      Parameters:
      passwordField - The password field.

    • getEclipseVersion

      public static org.osgi.framework.Version getEclipseVersion()
      Attempts to get the version of the Eclipse IDE we're running in.
      Returns:
      The version, or null if it couldn't be detected.

    • createBrowser

      public static Browser createBrowser(Composite parent, Color background)
      Creates a Browser instance that uses Edge under Windows if Eclipse is of version 4.21 or better and Edge is installed. If the environment variable "com.iizi.browser" is set to either "default", "edge" or "webkit", that type of browser will be used (the string value of the environment variable is case insensitive).
      Parameters:
      parent - The parent composite.
      background - The background color.
      Returns:
      The browser instance.

    • createBrowserOrCompositeForFailure

      public static Composite createBrowserOrCompositeForFailure(Composite parent, Color background)
      Creates a Browser Composite if possible, otherwise in case of an exception, a Composite wrapped read-only multi-line entry field instead of a browser.
      Parameters:
      parent - The parent composite.
      background - The background color.
      Returns:
      The composite, potentially initiated with the background color. The exception is logged and a replacement Composite is returned. The returned composite can be tested using if ( cnr instanceof Browser browser ) ... to handle failures of the browser.

    • isUsingMSIE

      public static boolean isUsingMSIE()
      Returns if Eclipse uses Microsoft Internet Explorer (11) or not for sure, or if the default browser is being used. This value is always false if such a browser instance never has been created.
      Returns:
      true If Microsoft Internet Explorer has been used previously for WebViews and is the candidate for default WebView usage.