svn-gvsig-desktop / tags / v1_1_Build_1013 / libraries / libFMap / src / com / iver / cit / gvsig / fmap / rendering / LegendListener.java @ 13521
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/* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana
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*
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* Copyright (C) 2004 IVER T.I. and Generalitat Valenciana.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,USA.
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*
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* For more information, contact:
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*
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* Generalitat Valenciana
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* Conselleria d'Infraestructures i Transport
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* Av. Blasco Ib??ez, 50
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* 46010 VALENCIA
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* SPAIN
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*
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* +34 963862235
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* gvsig@gva.es
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* www.gvsig.gva.es
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*
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* or
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*
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* IVER T.I. S.A
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* Salamanca 50
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* 46005 Valencia
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* Spain
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*
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* +34 963163400
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* dac@iver.es
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*/
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package com.iver.cit.gvsig.fmap.rendering; |
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/**
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* <p>The interface <code>LegendListener</code> defines methods for an object that listens events from legends.</p>
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*/
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public interface LegendListener { |
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/**
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* <p>Called when changes the value in the field of labeling of the legend.</p>
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* <p>If any of the listeners returns <code>false</code>, no change takes effect.</p>
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*
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* @param e the label legend event
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*
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* @return <code>true</code> if has been no problem; <code>false</code> otherwise
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*/
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boolean labelFieldChange(LabelLegendEvent e);
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/**
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* <p>Called when changes the default symbol of the legend.</p>
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* <p>If any of the listeners returns <code>false</code>, no change takes effect.</p>
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*
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* @param e the symbol legend event
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*
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* @return <code>true</code> if has been no problem; <code>false</code> otherwise
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*/
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boolean defaultSymbolChange(SymbolLegendEvent e);
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/**
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* <p>Called when changes one symbol of the legend's symbols.</p>
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* <p>The legend must be of "unique values" or "intervals" type.</p>
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* <p>If any of the listeners returns <code>false</code>, no change takes effect.</p>
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*
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* @param e the symbol legend event
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*
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* @return <code>true</code> if has been no problem; <code>false</code> otherwise
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*/
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boolean classifiedSymbolChange(SymbolLegendEvent e);
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/**
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* <p>Called when changes any interval value of a "legend by intervals".</p>
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* <p>If any of the listeners returns <code>false</code>, no change takes effect.</p>
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*
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* @param e the interval legend event
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*
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* @return <code>true</code> if has been no problem; <code>false</code> otherwise
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*/
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boolean intervalChange(IntervalLegendEvent e);
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/**
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* <p>Called when changes any value of a "legend of unique values".</p>
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* <p>If any of the listeners returns <code>false</code>, no change takes effect.</p>
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*
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* @param e the value legend event
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*
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* @return <code>true</code> if has been no problem; <code>false</code> otherwise
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*/
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boolean valueChange(ValueLegendEvent e);
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} |