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<!-- 
  Copyright (c) 2014 BREDEX GmbH.
  All rights reserved. This program and the accompanying materials
  are made available under the terms of the Eclipse Public License v1.0
  which accompanies this distribution, and is available at
  http://www.eclipse.org/legal/epl-v10.html
-->

<section xml:id="actionCheckExistenceGEF" version="5.0" xmlns="http://docbook.org/ns/docbook"
                                                    xmlns:xi="http://www.w3.org/2001/XInclude"
                                                    xmlns:xl="http://www.w3.org/1999/xlink" >
  <?dbhtml dir="checkExistence"?>
  <title>Check Existence in GEF Figure Canvas</title>
  
  <para><emphasis>Check Figure Existence</emphasis></para>
  <para>
    <itemizedlist>
      <listitem>
        <para>
          Use this action to check whether a figure exists on the canvas.
        </para>
      </listitem>
      <listitem>
        <para>
          You identify the figure based on its textpath.
        </para>
      </listitem>
      <listitem>
        <para>
          Parameters:
          
          <itemizedlist>
            <listitem>
              <para>
                <xref linkend="textpath" xrefstyle="template:%t"/>
              </para>
            </listitem>
            <listitem>
              <para>
                <xref linkend="operator" xrefstyle="template:%t"/>
              </para>
            </listitem>
            <listitem>
              <para>
                <xref linkend="exists" xrefstyle="template:%t"/>
              </para>
            </listitem>
          </itemizedlist>
        </para>
      </listitem>
    </itemizedlist>
  </para>
  
  <para><emphasis>Check Tool Existence</emphasis></para>
  <para>
    Use this action to check whether a tool entry exists.
  </para>
  <itemizedlist>
  	<listitem>
        <para>
          Parameters:
          
          <itemizedlist>
            <listitem>
              <para>
                <xref linkend="textpath" xrefstyle="template:%t"/>
              </para>
            </listitem>
            <listitem>
              <para>
                <xref linkend="operator" xrefstyle="template:%t"/>
              </para>
            </listitem>
            <listitem>
              <para>
                <xref linkend="exists" xrefstyle="template:%t"/>
              </para>
            </listitem>
          </itemizedlist>
        </para>
  	</listitem>
  </itemizedlist>
  
    <para><emphasis>Check Connection Existence</emphasis></para>
  <para>
    Use this action to check whether a connection exists.
  </para>
  <itemizedlist>
    <listitem>
        <para>
          Parameters:
          
          <itemizedlist>
            <listitem>
              <para>
                <xref linkend="source_text_path" xrefstyle="template:%t"/>
              </para>
            </listitem>
            <listitem>
              <para>
                <xref linkend="source_operator" xrefstyle="template:%t"/>
              </para>
            </listitem>
            <listitem>
              <para>
                <xref linkend="target_text_path" xrefstyle="template:%t"/>
              </para>
            </listitem>
            <listitem>
              <para>
                <xref linkend="target_operator" xrefstyle="template:%t"/>
              </para>
            </listitem>
            <listitem>
              <para>
                <xref linkend="exists" xrefstyle="template:%t"/>
              </para>
            </listitem>
          </itemizedlist>
        </para>
    </listitem>
  </itemizedlist>
</section>

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