449 lines
12 KiB
Java
449 lines
12 KiB
Java
/*
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Copyright 2006 Rene Grothmann, modified by Eric Hakenholz
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This file is part of C.a.R. software.
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C.a.R. is a 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, version 3 of the License.
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C.a.R. 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 this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package rene.zirkel.constructors;
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// file: Cicle3Constructor.java
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import eric.JSelectPopup;
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import java.awt.event.MouseEvent;
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import rene.gui.Global;
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import rene.util.xml.XmlTag;
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import rene.util.xml.XmlTree;
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import rene.gui.Global;
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import rene.zirkel.ZirkelCanvas;
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import rene.zirkel.construction.Construction;
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import rene.zirkel.construction.ConstructionException;
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import rene.zirkel.expression.Expression;
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import rene.zirkel.objects.AngleObject;
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import rene.zirkel.objects.ConstructionObject;
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import rene.zirkel.objects.FixedAngleObject;
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import rene.zirkel.objects.PointObject;
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import rene.zirkel.objects.PointonObject;
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public class AngleConstructor extends ObjectConstructor {
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PointObject P1 = null, P2 = null, P3 = null;
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boolean Fixed = false;
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public AngleConstructor(final boolean fixed) {
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Fixed = fixed;
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}
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public AngleConstructor() {
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this(false);
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}
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FixedAngleObject A;
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ConstructionObject O;
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boolean ShowsValue, Fix;
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int Moved, ex, ey;
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@Override
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public void mousePressed(final MouseEvent e, final ZirkelCanvas zc){
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if (!zc.Visual)
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return;
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Fix = e.isShiftDown() || Fixed;
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ex = e.getX(); ey = e.getY();
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ConstructionObject obj = null;
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if(!Fix || !waitForLastPoint()){
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obj = select(e.getX(), e.getY(), zc, e.isAltDown());
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if(obj!=null){
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setConstructionObject(obj, zc);
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} else {
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Dragging = false;
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}
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} else { //third clic for a fixed angle, obj=null but whatever
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setConstructionObject(obj, zc);
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}
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}
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@Override
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public void setConstructionObject(ConstructionObject obj, ZirkelCanvas zc) {
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// Il y a eu ambiguité et la méthode est forcément appelée par le
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// popupmenu de sélection :
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if ((JSelectPopup.isCallerObject())&&(obj instanceof PointonObject)) {
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int x=JSelectPopup.getMouseX();
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int y=JSelectPopup.getMouseY();
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PointObject o=new PointObject(zc.getConstruction(), zc.x(x), zc.y(y), obj);
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o.setUseAlpha(true);
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zc.addObject(o);
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zc.validate();
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o.setDefaults();
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zc.repaint();
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o.edit(zc, false, false);
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obj=o;
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}
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if(P1==null){
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if(obj instanceof PointObject){
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P1=(PointObject) obj;
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P1.setSelected(true);
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zc.repaint();
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}
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showStatus(zc);
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} else if(P2==null){
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if(obj instanceof PointObject){
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P2=(PointObject) obj;
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P2.setSelected(true);
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zc.repaint();
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}
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showStatus(zc);
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} else {
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if(!Fix){
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if(obj instanceof PointObject){
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P3 = (PointObject) obj;
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if(P3==P1 || P3==P2){
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P3=null;
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return;
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}
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final AngleObject a = new AngleObject(zc.getConstruction(), P1, P2, P3);
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zc.addObject(a);
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a.setDefaults();
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if (P3.moveable() && !P3.isPointOn() && zc.isNewPoint()) {
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ShowsValue = a.showValue();
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if (Global.getParameter("options.movefixname", true))
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a.setShowValue(true);
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O = a;
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Dragging = true;
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a.validate();
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zc.repaint();
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} else {
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Dragging = false;
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//P1 = P2 = P3 = null;
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reset(zc);
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zc.validate();
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zc.repaint();
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}
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}
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} else {
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final FixedAngleObject a = new FixedAngleObject(zc.getConstruction(), P1, P2, zc.x(ex), zc.y(ey));
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zc.addObject(a);
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a.setDefaults();
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a.init(zc.getConstruction(), zc.x(ex), zc.y(ey));
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Moved = 0;
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Dragging = true;
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ShowsValue = a.showValue();
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if (Global.getParameter("options.movefixname", true))
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a.setShowValue(true);
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O = A = a;
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P3 = null;
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zc.repaint();
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}
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}
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}
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@Override
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public boolean waitForLastPoint() {
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return P1 != null && P2 != null;
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}
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@Override
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public boolean waitForPoint() {
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return !Fixed || (P1 == null || P2 == null);
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}
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@Override
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public void finishConstruction(final MouseEvent e, final ZirkelCanvas zc) {
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if (!Fixed) {
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P3 = select(e.getX(), e.getY(), zc, e.isAltDown());
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if (P3 != null) {
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final AngleObject a = new AngleObject(zc.getConstruction(), P1,
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P2, P3);
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zc.addObject(a);
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a.setDefaults();
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}
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zc.repaint();
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P3 = null;
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} else {
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final FixedAngleObject a = new FixedAngleObject(zc
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.getConstruction(), P1, P2, zc.x(e.getX()), zc.y(e.getY()));
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zc.addObject(a);
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a.setDefaults();
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a.init(zc.getConstruction(), zc.x(e.getX()), zc.y(e.getY()));
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zc.setPreviewObject(a);
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zc.repaint();
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}
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}
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@Override
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public void mouseDragged(final MouseEvent e, final ZirkelCanvas zc) {
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if (!Dragging)
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return;
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Moved++;
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if (P3 == null) {
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A.init(zc.getConstruction(), zc.x(e.getX()), zc.y(e.getY()));
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if (A instanceof FixedAngleObject)
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((FixedAngleObject) A).setDragable(Moved > 5);
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} else {
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P3.move(zc.x(e.getX()), zc.y(e.getY()));
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zc.validate();
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}
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zc.repaint();
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}
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@Override
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public void mouseReleased(final MouseEvent e, final ZirkelCanvas zc) {
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if (!Dragging)
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return;
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Dragging = false;
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O.setShowValue(ShowsValue);
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zc.repaint();
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if (P3 == null) {
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zc.clearSelected();
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A.round();
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if (Moved < 5) {
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A.edit(zc, true, true);
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if (A instanceof FixedAngleObject
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&& ((FixedAngleObject) A).isEditAborted()) {
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zc.delete(A);
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reset(zc);
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return;
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}
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}
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A.validate();
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} else
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P3.updateText();
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reset(zc);
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zc.showStatus();
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}
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public PointObject select(final int x, final int y, final ZirkelCanvas zc, boolean altdown) {
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return zc.selectCreatePoint(x, y, altdown);
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}
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@Override
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public void reset(final ZirkelCanvas zc) {
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super.reset(zc);
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if (zc.Visual) {
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P1 = P2 = P3 = null;
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showStatus(zc);
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} else {
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zc.setPrompt(Global.name("prompt.angle"));
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}
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}
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@Override
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public void showStatus(final ZirkelCanvas zc) {
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if (Fixed) {
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if (P1 == null)
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zc.showStatus(Global.name("message.fixedangle.first"));
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else if (P2 == null)
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zc.showStatus(Global.name("message.fixedangle.root"));
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else
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zc.showStatus(Global.name("message.fixedangle.second"));
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} else {
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if (P1 == null)
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zc.showStatus(Global.name("message.angle.first"));
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else if (P2 == null)
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zc.showStatus(Global.name("message.angle.root"));
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else
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zc.showStatus(Global.name("message.angle.second"));
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}
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}
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@Override
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public boolean construct(final XmlTree tree, final Construction c)
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throws ConstructionException {
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if (!testTree(tree, "Angle"))
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return false;
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final XmlTag tag = tree.getTag();
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if (!tag.hasParam("first")) {
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final AngleObject o = new AngleObject(c);
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try {
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if (tag.hasParam("display")) {
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final String type = tag.getValue("display");
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if (type.equals("small"))
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o.setDisplaySize(AngleObject.SMALL);
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if (type.equals("normalsize"))
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o.setDisplaySize(AngleObject.NORMALSIZE);
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if (type.equals("large"))
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o.setDisplaySize(AngleObject.LARGE);
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if (type.equals("larger"))
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o.setDisplaySize(AngleObject.LARGER);
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if (type.equals("rectangle"))
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o.setDisplaySize(AngleObject.RECT);
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}
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setName(tag, o);
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set(tree, o);
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c.add(o);
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setConditionals(tree, c, o);
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if (tag.hasTrueParam("filled"))
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o.setFilled(true);
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if (tag.hasParam("fixed"))
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o.setFixed(tag.getValue("fixed"));
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if (tag.hasTrueParam("acute"))
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o.setObtuse(false);
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else
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o.setObtuse(true);
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} catch (final Exception e) {
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}
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}
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if (!tag.hasParam("first") || !tag.hasParam("root"))
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throw new ConstructionException("Angle parameters missing!");
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if (tag.hasParam("second")) {
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try {
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final PointObject p1 = (PointObject) c.find(tag
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.getValue("first"));
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final PointObject p2 = (PointObject) c.find(tag
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.getValue("root"));
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final PointObject p3 = (PointObject) c.find(tag
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.getValue("second"));
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final AngleObject o = new AngleObject(c, p1, p2, p3);
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if (tag.hasParam("display")) {
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final String type = tag.getValue("display");
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if (type.equals("small"))
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o.setDisplaySize(AngleObject.SMALL);
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if (type.equals("large"))
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o.setDisplaySize(AngleObject.LARGE);
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if (type.equals("larger"))
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o.setDisplaySize(AngleObject.LARGER);
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if (type.equals("rectangle"))
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o.setDisplaySize(AngleObject.RECT);
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}
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setName(tag, o);
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set(tree, o);
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c.add(o);
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setConditionals(tree, c, o);
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if (tag.hasTrueParam("filled"))
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o.setFilled(true);
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if (tag.hasParam("fixed"))
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o.setFixed(tag.getValue("fixed"));
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if (tag.hasTrueParam("acute"))
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o.setObtuse(false);
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else
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o.setObtuse(true);
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} catch (final ConstructionException e) {
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throw e;
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} catch (final Exception e) {
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throw new ConstructionException("Angle parameters illegal!");
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}
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} else {
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try {
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final PointObject p1 = (PointObject) c.find(tag
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.getValue("first"));
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final PointObject p2 = (PointObject) c.find(tag
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.getValue("root"));
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final FixedAngleObject o = new FixedAngleObject(c, p1, p2, 0, 0);
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if (tag.hasParam("display")) {
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final String type = tag.getValue("display");
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if (type.equals("small"))
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o.setDisplaySize(FixedAngleObject.SMALL);
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if (type.equals("large"))
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o.setDisplaySize(FixedAngleObject.LARGE);
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if (type.equals("larger"))
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o.setDisplaySize(FixedAngleObject.LARGER);
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if (type.equals("rectangle"))
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o.setDisplaySize(FixedAngleObject.RECT);
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}
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setName(tag, o);
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set(tree, o);
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c.add(o);
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setConditionals(tree, c, o);
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if (tag.hasTrueParam("filled"))
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o.setFilled(true);
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if (tag.hasTrueParam("acute"))
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o.setObtuse(false);
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else
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o.setObtuse(true);
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if (tag.hasTrueParam("inverse"))
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o.setInverse(true);
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else
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o.setInverse(false);
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if (tag.hasTrueParam("reduced"))
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o.setReduced(true);
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else
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o.setReduced(false);
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if (tag.hasTrueParam("dragable"))
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o.setDragable(true);
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if (tag.hasTrueParam("drawable"))
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o.setDragable(true); // downward compatibility
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if (tag.hasParam("fixed"))
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o.setFixed(tag.getValue("fixed"));
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else
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throw new ConstructionException("");
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} catch (final ConstructionException e) {
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throw e;
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} catch (final Exception e) {
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throw new ConstructionException("Angle parameters illegal!");
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}
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}
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return true;
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}
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@Override
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public String getTag() {
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return "Angle";
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}
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@Override
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public void construct(final Construction c, final String name,
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final String params[], final int nparams)
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throws ConstructionException {
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if (nparams != 3)
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throw new ConstructionException(Global.name("exception.nparams"));
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final ConstructionObject P1 = c.find(params[0]);
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if (P1 == null)
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throw new ConstructionException(Global.name("exception.notfound")
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+ " " + params[0]);
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final ConstructionObject P2 = c.find(params[1]);
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if (P2 == null)
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throw new ConstructionException(Global.name("exception.notfound")
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+ " " + params[1]);
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final ConstructionObject P3 = c.find(params[2]);
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if (P3 == null || !(P3 instanceof PointObject)) {
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final Expression ex = new Expression(params[2], c, null);
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if (!ex.isValid())
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throw new ConstructionException(Global.name("exception.expression"));
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final FixedAngleObject s = new FixedAngleObject(c,
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(PointObject) P1, (PointObject) P2, 0, 0);
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s.setFixed(params[2]);
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if (!name.equals(""))
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s.setNameCheck(name);
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c.add(s);
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s.setDefaults();
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s.setObtuse(true);
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s.setFixed(params[2]);
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s.validate();
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return;
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}
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if (!(P1 instanceof PointObject))
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throw new ConstructionException(Global.name("exception.type") + " "
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+ params[0]);
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if (!(P2 instanceof PointObject))
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throw new ConstructionException(Global.name("exception.type") + " "
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+ params[1]);
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if (!(P3 instanceof PointObject))
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throw new ConstructionException(Global.name("exception.type") + " "
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+ params[2]);
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if (P1 == P2 || P2 == P3)
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throw new ConstructionException(Global.name("exception.parameter"));
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final AngleObject s = new AngleObject(c, (PointObject) P1,
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(PointObject) P2, (PointObject) P3);
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if (!name.equals(""))
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s.setNameCheck(name);
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c.add(s);
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s.setDefaults();
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}
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}
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