com.ibm.jdg2e.resources.extensions.control
Class RecentEditsPreferencePage

java.lang.Object
  org.eclipse.jface.dialogs.DialogPage
      org.eclipse.jface.preference.PreferencePage
          com.ibm.jdg2e.resources.extensions.control.RecentEditsPreferencePage

All Implemented Interfaces:

org.eclipse.jface.dialogs.IDialogPage, org.eclipse.jface.dialogs.IMessageProvider, org.eclipse.jface.preference.IPreferencePage, org.eclipse.ui.IWorkbenchPreferencePage

public class RecentEditsPreferencePage

extends org.eclipse.jface.preference.PreferencePage

implements org.eclipse.ui.IWorkbenchPreferencePage

Custom preference page implementation. Uses the Plugin API to access the Preferences object for storing preference values.

Preference keys are defined in the IResourceIDs interface.

Defaults for preference key values are defined as part of the Dialogs plug-in.

See Also:

ValueDefaults, IResourceIDs, PreferencePage, Preferences

Field Summary

Fields inherited from interface org.eclipse.jface.dialogs.IMessageProvider

ERROR, INFORMATION, NONE, WARNING

Constructor Summary

RecentEditsPreferencePage()
Default constructor.

Method Summary

protected org.eclipse.swt.widgets.Control	createContents(org.eclipse.swt.widgets.Composite parent) Implement the user interface for the preference page.
void	init(org.eclipse.ui.IWorkbench workbench) Initializes the preference page by getting a local reference to the Preferences object from the DialogsPlugin.
protected void	performApply() Can be used to implement any special processing, such as notification, if required.
boolean	performCancel() Can be used to implement any cleanup processing that may be required.
protected void	performDefaults() Used to retrieve and set defaults for the preferences that are displayed as part of this page.
boolean	performOk() Saves preference values for the current page.

Methods inherited from class org.eclipse.jface.preference.PreferencePage

applyData, applyDialogFont, computeSize, contributeButtons, createControl, createDescriptionLabel, createNoteComposite, doComputeSize, doGetPreferenceStore, getApplyButton, getContainer, getDefaultsButton, getPreferenceStore, isValid, noDefaultAndApplyButton, okToLeave, performHelp, setContainer, setErrorMessage, setMessage, setPreferenceStore, setSize, setTitle, setValid, toString, updateApplyButton

Methods inherited from class org.eclipse.jface.dialogs.DialogPage

convertHeightInCharsToPixels, convertHorizontalDLUsToPixels, convertVerticalDLUsToPixels, convertWidthInCharsToPixels, dispose, getControl, getDescription, getDialogFontName, getErrorMessage, getFont, getImage, getMessage, getMessageType, getShell, getTitle, getToolTipText, initializeDialogUnits, isControlCreated, setButtonLayoutData, setControl, setDescription, setImageDescriptor, setMessage, setVisible

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Methods inherited from interface org.eclipse.jface.preference.IPreferencePage

computeSize, isValid, okToLeave, setContainer, setSize

Methods inherited from interface org.eclipse.jface.dialogs.IDialogPage

createControl, dispose, getControl, getDescription, getErrorMessage, getImage, getMessage, getTitle, performHelp, setDescription, setImageDescriptor, setTitle, setVisible

Constructor Detail

RecentEditsPreferencePage

public RecentEditsPreferencePage()

Default constructor.

Method Detail

createContents

protected org.eclipse.swt.widgets.Control createContents(org.eclipse.swt.widgets.Composite parent)

Implement the user interface for the preference page. Returns a control that should be used as the main control for the page.

User interface defined here supports the definition of preference settings used by the Recent Edits marker creation and management logic.

See Also:

PreferencePage.createContents(Composite)

init

public void init(org.eclipse.ui.IWorkbench workbench)

Initializes the preference page by getting a local reference to the Preferences object from the DialogsPlugin.

Specified by:

init in interface org.eclipse.ui.IWorkbenchPreferencePage

See Also:

IWorkbenchPreferencePage.init(IWorkbench)

performApply

protected void performApply()

Can be used to implement any special processing, such as notification, if required. Logic to actually change preference values should be in the performOk method as that method will also be triggered when the Apply push button is selected.

If others are interested in tracking preference changes they can use the addPropertyChangeListener method available for for an IPreferenceStore or Preferences.

See Also:

PreferencePage.performApply(), IPreferenceStore.addPropertyChangeListener(org.eclipse.jface.util.IPropertyChangeListener), Preferences.addPropertyChangeListener(org.eclipse.core.runtime.Preferences.IPropertyChangeListener), IPropertyChangeListener

performCancel

public boolean performCancel()

Can be used to implement any cleanup processing that may be required.

Specified by:

performCancel in interface org.eclipse.jface.preference.IPreferencePage

See Also:

PreferencePage.performCancel()

performDefaults

protected void performDefaults()

Used to retrieve and set defaults for the preferences that are displayed as part of this page. Defaults for preference key values are defined as part of the Dialogs plug-in.

See Also:

ValueDefaults, PreferencePage.performDefaults()

performOk

public boolean performOk()

Saves preference values for the current page. This method is triggered when either the Apply or Ok push button has been selected.

Specified by:

performOk in interface org.eclipse.jface.preference.IPreferencePage

See Also:

PreferencePage.performOk()