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Code Issues Wiki Activity

[208803] add exists() method to ISystemViewElementAdapter

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This commit is contained in:
David McKnight 2007-11-05 19:54:06 +00:00
parent 44ee48ce0b
commit 2028bc88ad
3 changed files with 54 additions and 0 deletions
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21
rse/plugins/org.eclipse.rse.files.ui/src/org/eclipse/rse/internal/files/ui/view/SystemViewRemoteFileAdapter.java
View file

@ -34,6 +34,7 @@
* Kevin Doyle (IBM) - [204810] Saving file in Eclipse does not update remote file
* David McKnight (IBM) - [207178] changing list APIs for file service and subsystems
* Kevin Doyle (IBM) - [186125] Changing encoding of a file is not reflected when it was opened before
* David McKnight (IBM) - [208803] add exists() method
********************************************************************************/
package org.eclipse.rse.internal.files.ui.view;
@ -519,6 +520,26 @@ public class SystemViewRemoteFileAdapter
return getType(element) + ": " + getAbsoluteName(element); //$NON-NLS-1$
}
/**
* Returns whether the specified element is represented as existing. Note that
* it's possible that the represented element will been seen to exist when on
* a remote host it may not - that is because this call does not query the host.
* Returns whether the remote file representation exists.
*
* @param element the element to check
* @return true if the element exists
*
*/
public boolean exists(Object element)
{
IRemoteFile file = (IRemoteFile) element;
if (file != null)
{
return file.exists();
}
return false;
}
/**
* Return the parent of this object
*/

18
rse/plugins/org.eclipse.rse.ui/UI/org/eclipse/rse/ui/view/AbstractSystemViewAdapter.java
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@ -21,6 +21,7 @@
* Martin Oberhuber (Wind River) - [189163] Update IActionFilter constants from subsystemFactory to subsystemConfiguration
* Tobias Schwarz (Wind River) - [173267] "empty list" should not be displayed
* Martin Oberhuber (Wind River) - [190271] Move ISystemViewInputProvider to Core
* David McKnight (IBM) - [208803] add exists() method
********************************************************************************/
package org.eclipse.rse.ui.view;
@ -471,6 +472,23 @@ public abstract class AbstractSystemViewAdapter implements ISystemViewElementAda
return getType(element) + ": " + getName(element); //$NON-NLS-1$
}
/**
* Returns whether the specified element is represented as existing. Note that
* it's possible that the represented element will been seen to exist when on
* a remote host it may not - that is because this call does not query the host.
* By default, this method returns true - override this method to customize the
* behavior
*
* @param element the element to check
* @return true if the element exists
*
*/
public boolean exists(Object element)
{
return true;
}
/**
* <i><b>Abstract</b>. Must be overridden by subclasses.</i><br>
* Return the parent of this object. This is required by eclipse UI adapters, but

15
rse/plugins/org.eclipse.rse.ui/UI/org/eclipse/rse/ui/view/ISystemViewElementAdapter.java
View file

@ -13,6 +13,7 @@
* Contributors:
* Martin Oberhuber (Wind River) - [186128] Move IProgressMonitor last in all API
* Martin Oberhuber (Wind River) - [190271] Move ISystemViewInputProvider to Core
* David McKnight (IBM) - [208803] add exists() method
********************************************************************************/
package org.eclipse.rse.ui.view;
@ -173,11 +174,25 @@ public interface ISystemViewElementAdapter extends IPropertySource, ISystemDragD
* Return the string to display in the status line when the given object is selected
*/
public String getStatusLineText(Object element);
/**
* Returns whether the specified element is represented as existing. Note that
* it's possible that the represented element will been seen to exist when on
* a remote host it may not - that is because this call does not query the host.
*
* @param element the element to check
* @return true if the element exists
*/
public boolean exists(Object element);
/**
* Return the parent of this object
*/
public Object getParent(Object element);
/**
* Return the children of this model object.
*