diff options
Diffstat (limited to 'examples/org.eclipse.swt.examples/src/org/eclipse/swt/examples/layoutexample/GridLayoutTab.java')
| -rw-r--r-- | examples/org.eclipse.swt.examples/src/org/eclipse/swt/examples/layoutexample/GridLayoutTab.java | 590 |
1 files changed, 0 insertions, 590 deletions
diff --git a/examples/org.eclipse.swt.examples/src/org/eclipse/swt/examples/layoutexample/GridLayoutTab.java b/examples/org.eclipse.swt.examples/src/org/eclipse/swt/examples/layoutexample/GridLayoutTab.java deleted file mode 100644 index bc26f0ae40..0000000000 --- a/examples/org.eclipse.swt.examples/src/org/eclipse/swt/examples/layoutexample/GridLayoutTab.java +++ /dev/null @@ -1,590 +0,0 @@ -/******************************************************************************* - * Copyright (c) 2000, 2005 IBM Corporation and others. - * All rights reserved. This program and the accompanying materials - * are made available under the terms of the Eclipse Public License v1.0 - * which accompanies this distribution, and is available at - * http://www.eclipse.org/legal/epl-v10.html - * - * Contributors: - * IBM Corporation - initial API and implementation - *******************************************************************************/ -package org.eclipse.swt.examples.layoutexample; - - -import org.eclipse.swt.*; -import org.eclipse.swt.custom.*; -import org.eclipse.swt.events.*; -import org.eclipse.swt.layout.*; -import org.eclipse.swt.widgets.*; -import org.eclipse.swt.graphics.*; - -class GridLayoutTab extends Tab { - /* Controls for setting layout parameters */ - Text numColumns; - Button makeColumnsEqualWidth; - Combo marginHeight, marginWidth, horizontalSpacing, verticalSpacing; - /* The example layout instance */ - GridLayout gridLayout; - /* TableEditors and related controls*/ - TableEditor comboEditor, widthEditor, heightEditor; - TableEditor vAlignEditor, hAlignEditor, hIndentEditor; - TableEditor hSpanEditor, vSpanEditor, hGrabEditor, vGrabEditor; - CCombo combo, vAlign, hAlign, hGrab, vGrab; - Text widthText, heightText, hIndent, hSpan, vSpan; - - /* Constants */ - final int COMBO_COL = 1; - final int WIDTH_COL = 2; - final int HEIGHT_COL = 3; - final int HALIGN_COL = 4; - final int VALIGN_COL = 5; - final int HINDENT_COL = 6; - final int HSPAN_COL = 7; - final int VSPAN_COL = 8; - final int HGRAB_COL = 9; - final int VGRAB_COL = 10; - - final int TOTAL_COLS = 11; - - /** - * Creates the Tab within a given instance of LayoutExample. - */ - GridLayoutTab(LayoutExample instance) { - super(instance); - } - - /** - * Creates the widgets in the "child" group. - */ - void createChildWidgets () { - /* Create the TraverseListener */ - final TraverseListener traverseListener = new TraverseListener () { - public void keyTraversed (TraverseEvent e) { - if (e.detail == SWT.TRAVERSE_RETURN || e.detail == SWT.TRAVERSE_TAB_NEXT) - resetEditors (); - if (e.detail == SWT.TRAVERSE_ESCAPE) - disposeEditors (); - } - }; - - /* Add common controls */ - super.createChildWidgets (); - - /* Add TableEditors */ - comboEditor = new TableEditor (table); - widthEditor = new TableEditor (table); - heightEditor = new TableEditor (table); - vAlignEditor = new TableEditor (table); - hAlignEditor = new TableEditor (table); - hIndentEditor = new TableEditor (table); - hSpanEditor = new TableEditor (table); - vSpanEditor = new TableEditor (table); - hGrabEditor = new TableEditor (table); - vGrabEditor = new TableEditor (table); - table.addMouseListener (new MouseAdapter () { - public void mouseDown(MouseEvent e) { - resetEditors(); - index = table.getSelectionIndex (); - Point pt = new Point (e.x, e.y); - newItem = table.getItem (pt); - if (newItem == null) return; - TableItem oldItem = comboEditor.getItem (); - if (newItem == oldItem || newItem != lastSelected) { - lastSelected = newItem; - return; - } - table.showSelection (); - - combo = new CCombo (table, SWT.READ_ONLY); - createComboEditor (combo, comboEditor); - - widthText = new Text (table, SWT.SINGLE); - widthText.setText (((String [])data.elementAt (index)) [WIDTH_COL]); - createTextEditor (widthText, widthEditor, WIDTH_COL); - - heightText = new Text (table, SWT.SINGLE); - heightText.setText (((String [])data.elementAt (index)) [HEIGHT_COL]); - createTextEditor (heightText, heightEditor, HEIGHT_COL); - String [] alignValues = new String [] {"BEGINNING","CENTER","END","FILL"}; - hAlign = new CCombo (table, SWT.NONE); - hAlign.setItems (alignValues); - hAlign.setText (newItem.getText (HALIGN_COL)); - hAlignEditor.horizontalAlignment = SWT.LEFT; - hAlignEditor.grabHorizontal = true; - hAlignEditor.minimumWidth = 50; - hAlignEditor.setEditor (hAlign, newItem, HALIGN_COL); - hAlign.addTraverseListener (traverseListener); - - vAlign = new CCombo (table, SWT.NONE); - vAlign.setItems (alignValues); - vAlign.setText (newItem.getText (VALIGN_COL)); - vAlignEditor.horizontalAlignment = SWT.LEFT; - vAlignEditor.grabHorizontal = true; - vAlignEditor.minimumWidth = 50; - vAlignEditor.setEditor (vAlign, newItem, VALIGN_COL); - vAlign.addTraverseListener (traverseListener); - - hIndent = new Text (table, SWT.SINGLE); - hIndent.setText (((String [])data.elementAt (index)) [HINDENT_COL]); - createTextEditor (hIndent, hIndentEditor, HINDENT_COL); - - hSpan = new Text (table, SWT.SINGLE); - hSpan.setText (((String [])data.elementAt (index)) [HSPAN_COL]); - createTextEditor (hSpan, hSpanEditor, HSPAN_COL); - - vSpan = new Text (table, SWT.SINGLE); - vSpan.setText (((String [])data.elementAt (index)) [VSPAN_COL]); - createTextEditor (vSpan, vSpanEditor, VSPAN_COL); - - String [] boolValues = new String [] {"false","true"}; - hGrab = new CCombo (table, SWT.NONE); - hGrab.setItems (boolValues); - hGrab.setText (newItem.getText (HGRAB_COL)); - hGrabEditor.horizontalAlignment = SWT.LEFT; - hGrabEditor.grabHorizontal = true; - hGrabEditor.minimumWidth = 50; - hGrabEditor.setEditor (hGrab, newItem, HGRAB_COL); - hGrab.addTraverseListener (traverseListener); - - vGrab = new CCombo (table, SWT.NONE); - vGrab.setItems (boolValues); - vGrab.setText (newItem.getText (VGRAB_COL)); - vGrabEditor.horizontalAlignment = SWT.LEFT; - vGrabEditor.grabHorizontal = true; - vGrabEditor.minimumWidth = 50; - vGrabEditor.setEditor (vGrab, newItem, VGRAB_COL); - vGrab.addTraverseListener (traverseListener); - - for (int i=0; i<table.getColumnCount (); i++) { - Rectangle rect = newItem.getBounds (i); - if (rect.contains (pt)) { - switch (i) { - case COMBO_COL : - combo.setFocus (); - break; - case WIDTH_COL : - widthText.setFocus (); - break; - case HEIGHT_COL : - heightText.setFocus (); - break; - case HALIGN_COL : - hAlign.setFocus (); - break; - case VALIGN_COL : - vAlign.setFocus (); - break; - case HINDENT_COL : - hIndent.setFocus (); - break; - case HSPAN_COL : - hSpan.setFocus (); - break; - case VSPAN_COL : - vSpan.setFocus (); - break; - case HGRAB_COL : - hGrab.setFocus (); - break; - case VGRAB_COL : - vGrab.setFocus (); - break; - default : - resetEditors (); - break; - } - } - } - } - }); - - /* Add listener to add an element to the table */ - add.addSelectionListener(new SelectionAdapter () { - public void widgetSelected(SelectionEvent e) { - TableItem item = new TableItem (table, 0); - String [] insert = new String [] { - String.valueOf (table.indexOf (item)), "Button", - "-1","-1","BEGINNING","CENTER", - "0","1","1","false","false"}; - item.setText (insert); - data.addElement (insert); - resetEditors (); - } - }); - } - - /** - * Creates the control widgets. - */ - void createControlWidgets () { - /* Rearrange the layout of the control group */ - size.setLayoutData (new GridData ()); - - /* Controls the margins and spacing of the GridLayout */ - String [] marginValues = new String [] {"0","3","5","10"}; - Group marginGroup = new Group (controlGroup, SWT.NONE); - marginGroup.setText (LayoutExample.getResourceString ("Margins_Spacing")); - GridData data = new GridData (GridData.FILL_HORIZONTAL); - data.verticalSpan = 2; - marginGroup.setLayoutData (data); - GridLayout layout = new GridLayout (); - layout.numColumns = 2; - marginGroup.setLayout (layout); - new Label (marginGroup, SWT.NONE).setText ("marginHeight"); - marginHeight = new Combo (marginGroup, SWT.NONE); - marginHeight.setItems (marginValues); - marginHeight.select (2); - data = new GridData (GridData.FILL_HORIZONTAL); - data.widthHint = 60; - marginHeight.setLayoutData (data); - marginHeight.addSelectionListener (selectionListener); - marginHeight.addTraverseListener (traverseListener); - new Label (marginGroup, SWT.NONE).setText ("marginWidth"); - marginWidth = new Combo (marginGroup, SWT.NONE); - marginWidth.setItems (marginValues); - marginWidth.select (2); - data = new GridData (GridData.FILL_HORIZONTAL); - data.widthHint = 60; - marginWidth.setLayoutData (data); - marginWidth.addSelectionListener (selectionListener); - marginWidth.addTraverseListener (traverseListener); - new Label (marginGroup, SWT.NONE).setText ("horizontalSpacing"); - horizontalSpacing = new Combo (marginGroup, SWT.NONE); - horizontalSpacing.setItems (marginValues); - horizontalSpacing.select (2); - data = new GridData (GridData.FILL_HORIZONTAL); - data.widthHint = 60; - horizontalSpacing.setLayoutData (data); - horizontalSpacing.addSelectionListener (selectionListener); - horizontalSpacing.addTraverseListener (traverseListener); - new Label (marginGroup, SWT.NONE).setText ("verticalSpacing"); - verticalSpacing = new Combo (marginGroup, SWT.NONE); - verticalSpacing.setItems (marginValues); - verticalSpacing.select (2); - data = new GridData (GridData.FILL_HORIZONTAL); - data.widthHint = 60; - verticalSpacing.setLayoutData (data); - verticalSpacing.addSelectionListener (selectionListener); - verticalSpacing.addTraverseListener (traverseListener); - - /* Controls the columns in the GridLayout */ - Group columnGroup = new Group (controlGroup, SWT.NONE); - columnGroup.setText (LayoutExample.getResourceString ("Columns")); - layout = new GridLayout (); - layout.numColumns = 2; - columnGroup.setLayout (layout); - data = new GridData (GridData.VERTICAL_ALIGN_FILL); - columnGroup.setLayoutData (data); - numColumns = new Text (columnGroup, SWT.BORDER); - numColumns.setText ("1"); - numColumns.addSelectionListener (selectionListener); - numColumns.addTraverseListener (traverseListener); - data = new GridData (GridData.FILL_HORIZONTAL); - data.widthHint = 15; - numColumns.setLayoutData (data); - new Label (columnGroup, SWT.NONE).setText ("numColumns"); - makeColumnsEqualWidth = new Button (columnGroup, SWT.CHECK); - makeColumnsEqualWidth.setText ("makeColumnsEqualWidth"); - makeColumnsEqualWidth.addSelectionListener (selectionListener); - data = new GridData (GridData.FILL_HORIZONTAL); - data.horizontalSpan = 2; - data.horizontalIndent = 14; - makeColumnsEqualWidth.setLayoutData (data); - - /* Add common controls */ - super.createControlWidgets (); - controlGroup.pack(); - } - - /** - * Creates the example layout. - */ - void createLayout () { - gridLayout = new GridLayout (); - layoutComposite.setLayout (gridLayout); - } - - /** - * Disposes the editors without placing their contents - * into the table. - */ - void disposeEditors () { - comboEditor.setEditor (null, null, -1); - combo.dispose (); - widthText.dispose (); - heightText.dispose (); - hAlign.dispose (); - vAlign.dispose (); - hIndent.dispose (); - hSpan.dispose (); - vSpan.dispose (); - hGrab.dispose (); - vGrab.dispose (); - } - - /** - * Generates code for the example layout. - */ - StringBuffer generateLayoutCode () { - StringBuffer code = new StringBuffer (); - code.append ("\t\tGridLayout gridLayout = new GridLayout ();\n"); - if (gridLayout.numColumns != 1) { - code.append ("\t\tgridLayout.numColumns = " + gridLayout.numColumns + ";\n"); - } - if (gridLayout.makeColumnsEqualWidth) { - code.append ("\t\tgridLayout.makeColumnsEqualWidth = true;\n"); - } - if (gridLayout.marginHeight != 5) { - code.append ("\t\tgridLayout.marginHeight = " + gridLayout.marginHeight + ";\n"); - } - if (gridLayout.marginWidth != 5) { - code.append ("\t\tgridLayout.marginWidth = " + gridLayout.marginWidth + ";\n"); - } - if (gridLayout.horizontalSpacing != 5) { - code.append ("\t\tgridLayout.horizontalSpacing = " + gridLayout.horizontalSpacing + ";\n"); - } - if (gridLayout.verticalSpacing != 5) { - code.append ("\t\tgridLayout.verticalSpacing = " + gridLayout.verticalSpacing + ";\n"); - } - code.append ("\t\tshell.setLayout (gridLayout);\n"); - - boolean first = true; - for (int i = 0; i < children.length; i++) { - Control control = children [i]; - code.append (getChildCode (control, i)); - GridData data = (GridData) control.getLayoutData (); - if (data != null) { - code.append ("\t\t"); - if (first) { - code.append ("GridData "); - first = false; - } - code.append ("data = new GridData ();\n"); - if (data.widthHint != SWT.DEFAULT) { - code.append ("\t\tdata.widthHint = " + data.widthHint + ";\n"); - } - if (data.heightHint != SWT.DEFAULT) { - code.append ("\t\tdata.heightHint = " + data.heightHint + ";\n"); - } - if (data.horizontalAlignment != GridData.BEGINNING) { - String alignment; - int hAlignment = data.horizontalAlignment; - if (hAlignment == GridData.CENTER) alignment = "GridData.CENTER"; - else if (hAlignment == GridData.END) alignment = "GridData.END"; - else alignment = "GridData.FILL"; - code.append ("\t\tdata.horizontalAlignment = " + alignment + ";\n"); - } - if (data.verticalAlignment != GridData.CENTER) { - String alignment; - int vAlignment = data.verticalAlignment; - if (vAlignment == GridData.BEGINNING) alignment = "GridData.BEGINNING"; - else if (vAlignment == GridData.END) alignment = "GridData.END"; - else alignment = "GridData.FILL"; - code.append ("\t\tdata.verticalAlignment = " + alignment + ";\n"); - } - if (data.horizontalIndent != 0) { - code.append ("\t\tdata.horizontalIndent = " + data.horizontalIndent + ";\n"); - } - if (data.horizontalSpan != 1) { - code.append ("\t\tdata.horizontalSpan = " + data.horizontalSpan + ";\n"); - } - if (data.verticalSpan != 1) { - code.append ("\t\tdata.verticalSpan = " + data.verticalSpan + ";\n"); - } - if (data.grabExcessHorizontalSpace) { - code.append ("\t\tdata.grabExcessHorizontalSpace = true;\n"); - } - if (data.grabExcessVerticalSpace) { - code.append ("\t\tdata.grabExcessVerticalSpace = true;\n"); - } - if (code.substring (code.length () - 33).equals ("GridData data = new GridData ();\n")) { - code.delete (code.length () - 33, code.length ()); - first = true; - } else if (code.substring (code.length () - 24).equals ("data = new GridData ();\n")) { - code.delete (code.length () - 24, code.length ()); - } else { - code.append ("\t\t" + names [i] + ".setLayoutData (data);\n"); - } - } - } - return code; - } - - /** - * Returns the layout data field names. - */ - String [] getLayoutDataFieldNames() { - return new String [] { - "", - "Control", - "width", - "height", - "horizontalAlignment", - "verticalAlignment", - "horizontalIndent", - "horizontalSpan", - "verticalSpan", - "grabExcessHorizontalSpace", - "grabExcessVerticalSpace" - }; - } - - /** - * Gets the text for the tab folder item. - */ - String getTabText () { - return "GridLayout"; - } - - /** - * Takes information from TableEditors and stores it. - */ - void resetEditors () { - resetEditors (false); - } - - void resetEditors (boolean tab) { - TableItem oldItem = comboEditor.getItem (); - if (oldItem != null) { - int row = table.indexOf (oldItem); - try { - new Integer (widthText.getText ()).intValue (); - } catch (NumberFormatException e) { - widthText.setText (oldItem.getText (WIDTH_COL)); - } - try { - new Integer (heightText.getText ()).intValue (); - } catch (NumberFormatException e) { - heightText.setText (oldItem.getText (HEIGHT_COL)); - } - try { - new Integer (hIndent.getText ()).intValue (); - } catch (NumberFormatException e) { - hIndent.setText (oldItem.getText (HINDENT_COL)); - } - try { - new Integer (hSpan.getText ()).intValue (); - } catch (NumberFormatException e) { - hSpan.setText (oldItem.getText (HSPAN_COL)); - } - try { - new Integer (vSpan.getText ()).intValue (); - } catch (NumberFormatException e) { - vSpan.setText (oldItem.getText (VSPAN_COL)); - } - String [] insert = new String [] { - String.valueOf (row), combo.getText (), widthText.getText (), heightText.getText (), - hAlign.getText (), vAlign.getText (), hIndent.getText (), - hSpan.getText (), vSpan.getText (), hGrab.getText (), vGrab.getText () - }; - data.setElementAt (insert, row); - for (int i = 0; i < TOTAL_COLS; i++) { - oldItem.setText (i, ((String [])data.elementAt (row)) [i]); - } - if (!tab) disposeEditors (); - } - setLayoutState (); - refreshLayoutComposite (); - setLayoutData (); - layoutComposite.layout (true); - layoutGroup.layout (true); - } - - /** - * Sets the layout data for the children of the layout. - */ - void setLayoutData () { - Control [] children = layoutComposite.getChildren (); - TableItem [] items = table.getItems (); - GridData data; - int hIndent, hSpan, vSpan; - String vAlign, hAlign, vGrab, hGrab; - for (int i = 0; i < children.length; i++) { - data = new GridData (); - /* Set widthHint and heightHint */ - data.widthHint = new Integer (items [i].getText (WIDTH_COL)).intValue (); - data.heightHint = new Integer (items [i].getText (HEIGHT_COL)).intValue (); - /* Set vertical alignment and horizontal alignment */ - hAlign = items [i].getText (HALIGN_COL); - if (hAlign.equals ("CENTER")) { - data.horizontalAlignment = GridData.CENTER; - } else if (hAlign.equals ("END")) { - data.horizontalAlignment = GridData.END; - } else if (hAlign.equals ("FILL")) { - data.horizontalAlignment = GridData.FILL; - } else { - data.horizontalAlignment = GridData.BEGINNING; - } - vAlign = items [i].getText (VALIGN_COL); - if (vAlign.equals ("BEGINNING")) { - data.verticalAlignment = GridData.BEGINNING; - } else if (vAlign.equals ("END")) { - data.verticalAlignment = GridData.END; - } else if (vAlign.equals ("FILL")) { - data.verticalAlignment = GridData.FILL; - } else { - data.verticalAlignment = GridData.CENTER; - } - /* Set indents and spans */ - hIndent = new Integer (items [i].getText (HINDENT_COL)).intValue (); - data.horizontalIndent = hIndent; - hSpan = new Integer (items [i].getText (HSPAN_COL)).intValue (); - data.horizontalSpan = hSpan; - vSpan = new Integer (items [i].getText (VSPAN_COL)).intValue (); - data.verticalSpan = vSpan; - /* Set grabbers */ - hGrab = items [i].getText (HGRAB_COL); - if (hGrab.equals ("true")) { - data.grabExcessHorizontalSpace = true; - } else { - data.grabExcessHorizontalSpace = false; - } - vGrab = items [i].getText (VGRAB_COL); - if (vGrab.equals ("true")) { - data.grabExcessVerticalSpace = true; - } else { - data.grabExcessVerticalSpace = false; - } - children [i].setLayoutData (data); - } - } - - /** - * Sets the state of the layout. - */ - void setLayoutState () { - /* Set the columns for the layout */ - try { - gridLayout.numColumns = new Integer (numColumns.getText ()).intValue (); - } catch (NumberFormatException e) { - gridLayout.numColumns = 1; - } - gridLayout.makeColumnsEqualWidth = makeColumnsEqualWidth.getSelection (); - - /* Set the margins and spacing */ - try { - gridLayout.marginHeight = new Integer (marginHeight.getText ()).intValue (); - } catch (NumberFormatException e) { - gridLayout.marginHeight = 5; - marginHeight.select (2); - } - try { - gridLayout.marginWidth = new Integer (marginWidth.getText ()).intValue (); - } catch (NumberFormatException e) { - gridLayout.marginWidth = 5; - marginWidth.select (2); - } - try { - gridLayout.horizontalSpacing = new Integer (horizontalSpacing.getText ()).intValue (); - } catch (NumberFormatException e) { - gridLayout.horizontalSpacing = 5; - horizontalSpacing.select (2); - } - try { - gridLayout.verticalSpacing = new Integer (verticalSpacing.getText ()).intValue (); - } catch (NumberFormatException e) { - gridLayout.verticalSpacing = 5; - verticalSpacing.select (2); - } - } -} |