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package org.eclipse.ui.externaltools.internal.variable;
import org.eclipse.swt.SWT;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Group;
import org.eclipse.ui.externaltools.internal.group.IGroupDialogPage;
import org.eclipse.ui.externaltools.internal.model.ToolUtil;
/**
* The AbstractVariableComponent provides the base implementation of an
* IVariableComponent
*/
public abstract class AbstractVariableComponent implements IVariableComponent {
protected Group mainGroup;
protected IGroupDialogPage page;
private boolean isValid = true;
/**
* @see IVariableComponent#getControl()
*/
public Control getControl() {
return null;
}
/**
* Returns the dialog page this component is part of
*/
protected IGroupDialogPage getPage() {
return page;
}
/**
* @see IVariableComponent#createContents(Composite, String, IGroupDialogPage)
*/
public void createContents(Composite parent, String varTag, IGroupDialogPage page) {
this.page= page;
// main composite
mainGroup = new Group(parent, SWT.NONE);
GridLayout layout = new GridLayout();
GridData gridData = new GridData(GridData.FILL_BOTH);
mainGroup.setLayout(layout);
mainGroup.setLayoutData(gridData);
mainGroup.setFont(parent.getFont());
mainGroup.setText(ToolUtil.buildVariableTag(varTag, null));
}
/**
* @see IVariableComponent#getVariableValue()
*/
public String getVariableValue() {
return null;
}
/**
* @see IVariableComponent#isValid()
*/
public boolean isValid() {
return isValid;
}
/**
* Sets whether the component's values are all valid.
* Updates the components's page valid state. No action
* taken if new valid state same as current one.
*
* @param isValid <code>true</code> if all values valid,
* <code>false</code> otherwise
*/
protected void setIsValid(boolean isValid) {
if (isValid() != isValid) {
this.isValid= isValid;
this.page.updateValidState();
}
}
/**
* @see IVariableComponent#setVariableValue(String)
*/
public void setVariableValue(String varValue) {
}
/**
* @see IVariableComponent#validate()
*/
public void validate() {
}
}
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