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org.eclipse.jface.preference
Class ComboFieldEditor
java.lang.Object
org.eclipse.jface.preference.FieldEditor
org.eclipse.jface.preference.ComboFieldEditor
-
public class ComboFieldEditor
- extends
FieldEditor
A field editor for a combo box that allows the drop-down selection of one of
a list of items.
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Since:
- 3.3
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Method Summary
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protected void
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adjustForNumColumns
(int numColumns)
Adjusts the horizontal span of this field editor's basic controls. |
protected void
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doFillIntoGrid
(
Composite parent,
int numColumns)
Fills this field editor's basic controls into the given parent. |
protected void
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doLoad
()
Initializes this field editor with the preference value from
the preference store. |
protected void
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doLoadDefault
()
Initializes this field editor with the default preference value from
the preference store. |
protected void
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doStore
()
Stores the preference value from this field editor into
the preference store. |
int
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getNumberOfControls
()
Returns the number of basic controls this field editor consists of. |
void
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setEnabled
(boolean enabled,
Composite parent)
Set whether or not the controls in the field editor
are enabled. |
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Methods inherited from class org.eclipse.jface.preference.
FieldEditor
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applyFont,
checkParent,
clearErrorMessage,
clearMessage,
convertHorizontalDLUsToPixels,
convertVerticalDLUsToPixels,
createControl,
dispose,
fillIntoGrid,
fireStateChanged,
fireValueChanged,
getFieldEditorFontName,
getLabelControl,
getLabelControl,
getLabelText,
getPage,
getPreferenceName,
getPreferencePage,
getPreferenceStore,
init,
isValid,
load,
loadDefault,
presentsDefaultValue,
refreshValidState,
setButtonLayoutData,
setFocus,
setLabelText,
setPage,
setPreferenceName,
setPreferencePage,
setPreferenceStore,
setPresentsDefaultValue,
setPropertyChangeListener,
showErrorMessage,
showMessage,
store
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Methods inherited from class java.lang.
Object
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clone,
equals,
finalize,
getClass,
hashCode,
notify,
notifyAll,
toString,
wait,
wait,
wait
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ComboFieldEditor
public ComboFieldEditor(
String name,
String labelText,
String[][] entryNamesAndValues,
Composite parent)
- Create the combo box field editor.
-
Parameters:
-
name - the name of the preference this field editor works on -
labelText - the label text of the field editor -
entryNamesAndValues - the names (labels) and underlying values to populate the combo widget. These should be
arranged as: { {name1, value1}, {name2, value2}, ...} -
parent - the parent composite
adjustForNumColumns
protected void adjustForNumColumns(int numColumns)
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Description copied from class:
FieldEditor
- Adjusts the horizontal span of this field editor's basic controls.
Subclasses must implement this method to adjust the horizontal span
of controls so they appear correct in the given number of columns.
The number of columns will always be equal to or greater than the
value returned by this editor's getNumberOfControls method.
-
-
Specified by:
-
adjustForNumColumns
in class
FieldEditor
-
-
Parameters:
-
numColumns - the number of columns
doFillIntoGrid
protected void doFillIntoGrid(
Composite parent,
int numColumns)
-
Description copied from class:
FieldEditor
- Fills this field editor's basic controls into the given parent.
Subclasses must implement this method to create the controls
for this field editor.
Note this method may be called by the constructor, so it must not access
fields on the receiver object because they will not be fully initialized.
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Specified by:
-
doFillIntoGrid
in class
FieldEditor
-
-
Parameters:
-
parent - the composite used as a parent for the basic controls;
the parent's layout must be a GridLayout
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numColumns - the number of columns
doLoad
protected void doLoad()
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Description copied from class:
FieldEditor
- Initializes this field editor with the preference value from
the preference store.
Subclasses must implement this method to properly initialize
the field editor.
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Specified by:
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doLoad
in class
FieldEditor
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doLoadDefault
protected void doLoadDefault()
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Description copied from class:
FieldEditor
- Initializes this field editor with the default preference value from
the preference store.
Subclasses must implement this method to properly initialize
the field editor.
-
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Specified by:
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doLoadDefault
in class
FieldEditor
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doStore
protected void doStore()
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Description copied from class:
FieldEditor
- Stores the preference value from this field editor into
the preference store.
Subclasses must implement this method to save the entered value
into the preference store.
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Specified by:
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doStore
in class
FieldEditor
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getNumberOfControls
public int getNumberOfControls()
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Description copied from class:
FieldEditor
- Returns the number of basic controls this field editor consists of.
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Specified by:
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getNumberOfControls
in class
FieldEditor
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Returns:
- the number of controls
setEnabled
public void setEnabled(boolean enabled,
Composite parent)
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Description copied from class:
FieldEditor
- Set whether or not the controls in the field editor
are enabled.
-
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Overrides:
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setEnabled
in class
FieldEditor
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Parameters:
-
enabled - The enabled state. -
parent - The parent of the controls in the group.
Used to create the controls if required.
Guidelines for using Eclipse APIs.
Copyright (c) Eclipse contributors and others 2000, 2008. All rights reserved.
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