root / branches / v2_0_0_prep / libraries / libFMap_mapcontext / src / org / gvsig / fmap / mapcontext / layers / operations / Classifiable.java @ 30011
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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 org.gvsig.fmap.mapcontext.layers.operations; |
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import org.gvsig.fmap.dal.exception.ReadException; |
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import org.gvsig.fmap.mapcontext.rendering.legend.ILegend; |
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import org.gvsig.fmap.mapcontext.rendering.legend.events.listeners.LegendListener; |
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/**
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* <p>Interface that all layers that can be classifiable, must implement.</p>
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* <p>The interface <code>Classifiable</code> allows classify a layer in <i>raster</i> or <i>vector</i>,
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* and then, generates a legend.</p>
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*/
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public interface Classifiable { |
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/**
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* Adds the specified legend listener to receive legend events from the inner legend.
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* If the parameter is null, no exception is thrown and no action is performed.
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*
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* @param listener the legend listener
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*
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* @see #removeLegendListener(LegendListener)
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*/
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void addLegendListener(LegendListener listener);
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/**
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* Removes the specified legend listener so that it no longer receives legend events from the inner
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* legend. This method performs no function, nor does it throw an exception, if the listener specified
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* by the argument was not previously added to the legend. If the parameter is null, no exception is
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* thrown and no action is performed.
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*
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* @param listener the legend listener
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*
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* @see #addLegendListener(LegendListener)
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*/
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void removeLegendListener(LegendListener listener);
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/**
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* Returns the inner legend.
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*
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* @return Legend.
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*/
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public ILegend getLegend();
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/**
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* <p>Returns the type of the shape.</p>
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* <p>All geometry types are defined in <code>Geometry.TYPES</code>.
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* For getting the equivalent shape of a geometry type, you must use a method like
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* <code>{@linkplain SHPFileWrite#getShapeType()}</code>.</p>
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*
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* @return the type of this shape.
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* @throws ReadException
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*
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* @see Geometry
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* @see Constant
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*
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* @throws ReadDriverException if the driver fails reading the data.
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*/
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public int getShapeType() throws ReadException; |
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} |