Package eas.miscellaneous.system

Source Code of eas.miscellaneous.system.Zwischenablage

/*
* Datei:          Zwischenablage.java
* Autor(en):      Lukas König
* Java-Version:   6.0
* Erstellt (vor): 29.04.2010
*
* (c) This file and the EAS (Easy Agent Simulation) framework containing it
* is protected by Creative Commons by-nc-sa license. Any altered or
* further developed versions of this file have to meet the agreements
* stated by the license conditions.
*
* In a nutshell
* -------------
* You are free:
* - to Share -- to copy, distribute and transmit the work
* - to Remix -- to adapt the work
*
* Under the following conditions:
* - Attribution -- You must attribute the work in the manner specified by the
*   author or licensor (but not in any way that suggests that they endorse
*   you or your use of the work).
* - Noncommercial -- You may not use this work for commercial purposes.
* - Share Alike -- If you alter, transform, or build upon this work, you may
*   distribute the resulting work only under the same or a similar license to
*   this one.
*
* + Detailed license conditions (Germany):
*   http://creativecommons.org/licenses/by-nc-sa/3.0/de/
* + Detailed license conditions (unported):
*   http://creativecommons.org/licenses/by-nc-sa/3.0/deed.en
*
* This header must be placed in the beginning of any version of this file.
*/

package eas.miscellaneous.system;

import java.awt.Toolkit;
import java.awt.datatransfer.Clipboard;
import java.awt.datatransfer.ClipboardOwner;
import java.awt.datatransfer.DataFlavor;
import java.awt.datatransfer.StringSelection;
import java.awt.datatransfer.Transferable;

import eas.miscellaneous.StaticMethods;
import eas.startSetup.GlobalVariables;
import eas.startSetup.ParCollection;


/**
* @author Admin
*
*/
public class Zwischenablage implements ClipboardOwner {

    /**
     * In die Zwischenablage kopieren.
     *
     * @param s  Der zu kopierende Text.
     */
    public void copyToClipboard(final String s) {
        Toolkit.getDefaultToolkit().getSystemClipboard().setContents(
                new StringSelection(s), null);
    }

    /**
     * Aus der Zwischenablage holen.
     *
     * @return  Der Text aus der Zwischenablage.
     */
    public String getClipbB() {
        Clipboard clip = Toolkit.getDefaultToolkit().getSystemClipboard();
        Transferable cont = clip.getContents(this);

        if (cont == null) {
             return null;
        } else {
            try {
                String s = (String) cont.getTransferData(
                    DataFlavor.stringFlavor);
                return s;
            } catch (Exception e) {
                return null;
            }
        }
    }

    /**
     * Wird aufgerufen, wenn die Zwischenablage verändert wird.
     *
     * @param clipboard  Die Zwischenablage.
     * @param contents   Der Inhalt.
     */
    @Override
    public void lostOwnership(
            final Clipboard clipboard,
            final Transferable contents) {
        ParCollection pars = GlobalVariables.getPrematureParameters();
        StaticMethods.log(1, "Zwischenablage veraendert.", pars);
    }
}
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