/*
* Copyright 2000-2009 JetBrains s.r.o.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.intellij.openapi.ui;
/**
* The validator for input dialogs.
*
* @see Messages#showInputDialog(String, String, javax.swing.Icon, String, InputValidator)
* @see Messages#showInputDialog(java.awt.Component, String, String, javax.swing.Icon, String, InputValidator)
* @see Messages#showInputDialog(com.intellij.openapi.project.Project, String, String, javax.swing.Icon, String, InputValidator)
* @see Messages#showEditableChooseDialog(String, String, javax.swing.Icon, String[], String, InputValidator)
*/
public interface InputValidator {
/**
* Checks whether the <code>inputString</code> is valid. It is invoked each time
* input changes.
*
* @param inputString the input to check
* @return true if input string is valid
*/
boolean checkInput(String inputString);
/**
* This method is invoked just before message dialog is closed with OK code.
* If <code>false</code> is returned then then the message dialog will not be closed.
*
* @param inputString the input to check
* @return true if the dialog could be closed, false otherwhise.
*/
boolean canClose(String inputString);
}