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Eclipse Platform
Release 3.0

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org.eclipse.debug.ui
Class AbstractLaunchConfigurationTab

java.lang.Object
  org.eclipse.debug.ui.AbstractLaunchConfigurationTab

All Implemented Interfaces:

ILaunchConfigurationTab

Direct Known Subclasses:

CommonTab, EnvironmentTab, RefreshTab

public abstract class AbstractLaunchConfigurationTab

extends Object

implements ILaunchConfigurationTab

Common function for launch configuration tabs.

Clients may subclass this class.

Since:

2.0

See Also:

ILaunchConfigurationTab

Constructor Summary

AbstractLaunchConfigurationTab()

Method Summary

void	activated(ILaunchConfigurationWorkingCopy workingCopy) This method was added to the ILaunchConfigurationTab interface in the 3.0 release to allow tabs to distinguish between a tab being activated and a tab group be initialized for the first time, from a selected launch configuration.
boolean	canSave() Returns whether this tab is in a state that allows the launch configuration whose values this tab is showing to be saved.
protected Button	createCheckButton(Composite parent, String label) Creates and returns a new check button with the given label.
protected Button	createPushButton(Composite parent, String label, Image image) Creates and returns a new push button with the given label and/or image.
protected Button	createRadioButton(Composite parent, String label) Creates and returns a new radio button with the given label and/or image.
protected void	createSeparator(Composite comp, int colSpan) Create a horizontal separator.
protected void	createVerticalSpacer(Composite comp, int colSpan) Create some empty space.
void	deactivated(ILaunchConfigurationWorkingCopy workingCopy) This method was added to the ILaunchConfigurationTab interface in the 3.0 release to allow tabs to distinguish between a tab being deactivated and saving its attributes to a launch configuration.
void	dispose() By default, do nothing.
Control	getControl() Returns the top level control for this tab.
String	getErrorMessage() Returns the current error message for this tab.
Image	getImage() Returns the image for this tab, or null if none
protected ILaunchConfigurationDialog	getLaunchConfigurationDialog() Returns the dialog this tab is contained in, or null if not yet set.
protected ILaunchManager	getLaunchManager() Convenience method to return the launch manager.
String	getMessage() Returns the current message for this tab.
protected Shell	getShell() Returns the shell this tab is contained in, or null.
protected boolean	isDirty() Returns whether this tab is dirty.
boolean	isValid(ILaunchConfiguration launchConfig) Returns whether this tab is in a valid state in the context of the specified launch configuration.
void	launched(ILaunch launch) Deprecated.
protected void	setAttribute(String attribute, ILaunchConfigurationWorkingCopy configuration, boolean value, boolean defaultValue) Convenience method to set a boolean attribute of on a launch configuration.
protected void	setControl(Control control) Sets the control to be displayed in this tab.
protected void	setDirty(boolean dirty) Returns whether this tab is dirty.
protected void	setErrorMessage(String errorMessage) Sets this page's error message, possibly null.
void	setLaunchConfigurationDialog(ILaunchConfigurationDialog dialog) Sets the launch configuration dialog that hosts this tab.
protected void	setMessage(String message) Sets this page's message, possibly null.
protected void	updateLaunchConfigurationDialog() Updates the buttons and message in this page's launch configuration dialog.

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.eclipse.debug.ui.ILaunchConfigurationTab

createControl, getName, initializeFrom, performApply, setDefaults

Constructor Detail

AbstractLaunchConfigurationTab

public AbstractLaunchConfigurationTab()

Method Detail

getLaunchConfigurationDialog

protected ILaunchConfigurationDialog getLaunchConfigurationDialog()

Returns the dialog this tab is contained in, or null if not yet set.

Returns:

launch configuration dialog, or null

updateLaunchConfigurationDialog

protected void updateLaunchConfigurationDialog()

Updates the buttons and message in this page's launch configuration dialog.

getControl

public Control getControl()

Description copied from interface: ILaunchConfigurationTab

Returns the top level control for this tab.

May return null if the control has not been created yet.

Specified by:

getControl in interface ILaunchConfigurationTab

Returns:

the top level control or null

See Also:

ILaunchConfigurationTab.getControl()

setControl

protected void setControl(Control control)

Sets the control to be displayed in this tab.

Parameters:

control - the control for this tab

getErrorMessage

public String getErrorMessage()

Description copied from interface: ILaunchConfigurationTab

Returns the current error message for this tab. May be null to indicate no error message.

An error message should describe some error state, as opposed to a message which may simply provide instruction or information to the user.

Specified by:

getErrorMessage in interface ILaunchConfigurationTab

Returns:

the error message, or null if none

See Also:

ILaunchConfigurationTab.getErrorMessage()

getMessage

public String getMessage()

Description copied from interface: ILaunchConfigurationTab

Returns the current message for this tab.

A message provides instruction or information to the user, as opposed to an error message which should describe some error state.

Specified by:

getMessage in interface ILaunchConfigurationTab

Returns:

the message, or null if none

See Also:

ILaunchConfigurationTab.getMessage()

launched

public void launched(ILaunch launch)

Deprecated.

By default, do nothing.

Specified by:

launched in interface ILaunchConfigurationTab

Parameters:

launch - the result of launching the current launch configuration

See Also:

ILaunchConfigurationTab.launched(ILaunch)

setLaunchConfigurationDialog

public void setLaunchConfigurationDialog(ILaunchConfigurationDialog dialog)

Description copied from interface: ILaunchConfigurationTab

Sets the launch configuration dialog that hosts this tab. This is the first method called on a launch configuration tab, and marks the beginning of this tab's lifecycle.

Specified by:

setLaunchConfigurationDialog in interface ILaunchConfigurationTab

Parameters:

dialog - launch configuration dialog

See Also:

ILaunchConfigurationTab.setLaunchConfigurationDialog(ILaunchConfigurationDialog)

setErrorMessage

protected void setErrorMessage(String errorMessage)

Sets this page's error message, possibly null.

Parameters:

errorMessage - the error message or null

setMessage

protected void setMessage(String message)

Sets this page's message, possibly null.

Parameters:

message - the message or null

getLaunchManager

protected ILaunchManager getLaunchManager()

Convenience method to return the launch manager.

Returns:

the launch manager

dispose

public void dispose()

By default, do nothing.

Specified by:

dispose in interface ILaunchConfigurationTab

See Also:

ILaunchConfigurationTab.dispose()

getShell

protected Shell getShell()

Returns the shell this tab is contained in, or null.

Returns:

the shell this tab is contained in, or null

createPushButton

protected Button createPushButton(Composite parent,
                                  String label,
                                  Image image)

Creates and returns a new push button with the given label and/or image.

Parameters:

parent - parent control

label - button label or null

image - image of null

Returns:

a new push button

createRadioButton

protected Button createRadioButton(Composite parent,
                                   String label)

Creates and returns a new radio button with the given label and/or image.

Parameters:

parent - parent control

label - button label or null

Returns:

a new radio button

createCheckButton

protected Button createCheckButton(Composite parent,
                                   String label)

Creates and returns a new check button with the given label.

Parameters:

parent - the parent composite

label - the button label

Returns:

a new check button

Since:

3.0

canSave

public boolean canSave()

Description copied from interface: ILaunchConfigurationTab

Returns whether this tab is in a state that allows the launch configuration whose values this tab is showing to be saved. This differs from isValid() in that canSave() determines if this tab prevents the current launch configuration from being saved, whereas isValid() determines if this tab prevents the current launch configuration from being launched.

This information is typically used by the launch configuration dialog to decide when it is okay to save a launch configuration.

Specified by:

canSave in interface ILaunchConfigurationTab

Returns:

whether this tab is in a state that allows the current launch configuration to be saved

See Also:

ILaunchConfigurationTab.canSave()

isValid

public boolean isValid(ILaunchConfiguration launchConfig)

Description copied from interface: ILaunchConfigurationTab

Returns whether this tab is in a valid state in the context of the specified launch configuration.

This information is typically used by the launch configuration dialog to decide when it is okay to launch.

Specified by:

isValid in interface ILaunchConfigurationTab

Parameters:

launchConfig - launch configuration which provides context for validating this tab. This value must not be null.

Returns:

whether this tab is in a valid state

See Also:

ILaunchConfigurationTab.isValid(ILaunchConfiguration)

createVerticalSpacer

protected void createVerticalSpacer(Composite comp,
                                    int colSpan)

Create some empty space.

createSeparator

protected void createSeparator(Composite comp,
                               int colSpan)

Create a horizontal separator.

Parameters:

comp - parent widget

colSpan - number of columns to span

Since:

3.0

getImage

public Image getImage()

Description copied from interface: ILaunchConfigurationTab

Returns the image for this tab, or null if none

Specified by:

getImage in interface ILaunchConfigurationTab

Returns:

the image for this tab, or null if none

See Also:

ILaunchConfigurationTab.getImage()

setAttribute

protected void setAttribute(String attribute,
                            ILaunchConfigurationWorkingCopy configuration,
                            boolean value,
                            boolean defaultValue)

Convenience method to set a boolean attribute of on a launch configuration. If the value being set is the default, the attribute's value is set to null.

Parameters:

attribute - attribute identifier

configuration - the configuration on which to set the attribute

value - the value of the attribute

defaultValue - the default value of the attribute

Since:

2.1

isDirty

protected boolean isDirty()

Returns whether this tab is dirty. It is up to clients to set/reset and consult this attribute as required. By default, a tab is initialized to dirty.

Returns:

whether this tab is dirty

Since:

2.1

setDirty

protected void setDirty(boolean dirty)

Returns whether this tab is dirty. It is up to clients to set/reset and consult this attribute as required. By default, a tab is initialized to dirty.

Parameters:

dirty - whether this tab is dirty

Since:

2.1

activated

public void activated(ILaunchConfigurationWorkingCopy workingCopy)

This method was added to the ILaunchConfigurationTab interface in the 3.0 release to allow tabs to distinguish between a tab being activated and a tab group be initialized for the first time, from a selected launch configuration. To maintain backwards compatible behavior, the default implementation provided, calls this tab's initializeFrom method. Tabs should override this method as required.

The launch tab framework was originially designed to take care of inter tab communication by applying attributes from the active tab to the launch configuration being edited, when a tab is exited, and by initializing a tab when activated. The addition of the methods activated and deactivated allow tabs to determine the appropriate course of action.

Specified by:

activated in interface ILaunchConfigurationTab

Parameters:

workingCopy - the launch configuration being edited

Since:

3.0

See Also:

ILaunchConfigurationTab.activated(org.eclipse.debug.core.ILaunchConfigurationWorkingCopy)

deactivated

public void deactivated(ILaunchConfigurationWorkingCopy workingCopy)

This method was added to the ILaunchConfigurationTab interface in the 3.0 release to allow tabs to distinguish between a tab being deactivated and saving its attributes to a launch configuration. To maintain backwards compatible behavior, the default implementation provided, calls this tab's performApply method. Tabs should override this method as required.

The launch tab framework was originially designed to take care of inter tab communication by applying attributes from the active tab to the launch configuration being edited, when a tab is exited, and by initializing a tab when activated. The addition of the methods activated and deactivated allow tabs to determine the appropriate course of action.

Specified by:

deactivated in interface ILaunchConfigurationTab

Parameters:

workingCopy - the launch configuration being edited

Since:

3.0

See Also:

ILaunchConfigurationTab.deactivated(org.eclipse.debug.core.ILaunchConfigurationWorkingCopy)