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Lines 45-50
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*/ |
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*/ |
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private String[][] fEntryNamesAndValues; |
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private String[][] fEntryNamesAndValues; |
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/** |
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* Indicates whether the empty selection is legal; |
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* <code>true</code> by default. |
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*/ |
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private boolean emptySelectionAllowed = true; |
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/** |
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* Cached valid state. |
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*/ |
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private boolean isValid; |
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/** |
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/** |
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* Create the combo box field editor. |
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* Create the combo box field editor. |
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* |
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* |
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Lines 217-220
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super.setEnabled(enabled, parent); |
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super.setEnabled(enabled, parent); |
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getComboBoxControl(parent).setEnabled(enabled); |
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getComboBoxControl(parent).setEnabled(enabled); |
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} |
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} |
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/* (non-Javadoc) |
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* Method declared on FieldEditor. |
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*/ |
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public boolean isValid() { |
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return isValid; |
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} |
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/* (non-Javadoc) |
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* Method declared on FieldEditor. |
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*/ |
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protected void refreshValidState() { |
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isValid = checkState(); |
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} |
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/** |
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* Hook for subclasses to do specific state checks. |
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* <p> |
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* The default implementation of this framework method does |
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* nothing and returns <code>true</code>. Subclasses should |
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* override this method to specific state checks. |
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* </p> |
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* |
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* @return <code>true</code> if the field value is valid, |
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* and <code>false</code> if invalid |
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*/ |
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protected boolean doCheckState() { |
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return true; |
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} |
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/** |
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* Checks whether the combo input field contains a valid value or not. |
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* |
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* @return <code>true</code> if the field value is valid, |
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* and <code>false</code> if invalid |
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*/ |
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protected boolean checkState() { |
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boolean result = false; |
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if (emptySelectionAllowed) { |
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result = true; |
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} |
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if (fCombo == null) { |
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result = false; |
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} |
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int selectionIndex = fCombo.getSelectionIndex(); |
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result = (selectionIndex != -1) || emptySelectionAllowed; |
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// call hook for subclasses |
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result = result && doCheckState(); |
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return result; |
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} |
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/** |
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* Returns whether an empty selection is a valid value. |
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* |
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* @return <code>true</code> if an empty selection is a valid value, and |
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* <code>false</code> if an empty selection is invalid |
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* @see #setEmptySelectionAllowed |
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*/ |
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public boolean isEmptySelectionAllowed() { |
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return emptySelectionAllowed; |
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} |
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/** |
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* Sets whether the empty selection is a valid value or not. |
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* |
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* @param b <code>true</code> if the empty selection is allowed, |
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* and <code>false</code> if it is considered invalid |
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*/ |
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public void setEmptySelectionAllowed(boolean b) { |
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emptySelectionAllowed = b; |
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} |
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} |
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} |
