111 lines
2.8 KiB
Java
111 lines
2.8 KiB
Java
//This file is part of SECONDO.
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//Copyright (C) 2004, University in Hagen, Department of Computer Science,
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//Database Systems for New Applications.
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//SECONDO is free software; you can redistribute it and/or modify
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//it under the terms of the GNU General Public License as published by
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//the Free Software Foundation; either version 2 of the License, or
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//(at your option) any later version.
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//SECONDO 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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//You should have received a copy of the GNU General Public License
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//along with SECONDO; 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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package viewer.hoese.algebras;
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import sj.lang.ListExpr;
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import viewer.*;
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import viewer.hoese.*;
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/**
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* A displayclass for the bool-type, alphanumeric only
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*/
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public class Dsplbool extends DsplGeneric
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implements RenderAttribute, LabelAttribute {
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/** the value of this boolean if defined **/
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boolean value;
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/** the defined flag of this boolean **/
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boolean defined;
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/** the text to display */
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String entry;
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/** the label **/
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String label;
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/** analyses the arguments, sets all internal variables except entry
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* and returns the string for displaying this value textual
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**/
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private String getString(ListExpr value){
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if(isUndefined(value)){
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defined=false;
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this.value=false;
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label = "undefined";
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return label;
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}
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if(value.atomType()!=ListExpr.BOOL_ATOM){
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defined=false;
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this.value = false;
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label = "<error>";
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return label;
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}
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defined = true;
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this.value = value.boolValue();
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label ="" + value;
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return label;
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}
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public void init (String name, int nameWidth, int indent, ListExpr type,
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ListExpr value, QueryResult qr)
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{
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String T = name;
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String V = getString(value);
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T=extendString(T,nameWidth, indent);
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entry=(T + " : " + V);
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qr.addEntry(this);
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return;
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}
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public String toString(){
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return entry;
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}
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/** returns the maximum value **/
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public double getMaxRenderValue(){
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return value?1:0;
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}
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/** returns the minimum value **/
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public double getMinRenderValue(){
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return value?1:0;
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}
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/** returns the current value **/
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public double getRenderValue(double time){
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return value?1:0;
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}
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/** returns true if this int is defined **/
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public boolean mayBeDefined(){
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return defined;
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}
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/** returns tre if this integer is defined **/
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public boolean isDefined(double time){
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return defined;
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}
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/** returns the label **/
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public String getLabel(double time){
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return label;
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}
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}
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