320 lines
9.8 KiB
Java
320 lines
9.8 KiB
Java
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/*
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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: LineConstructor.java
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import eric.JSelectPopup;
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import java.awt.event.MouseEvent;
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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.macro.Macro;
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import rene.zirkel.objects.AxisObject;
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import rene.zirkel.objects.ConstructionObject;
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import rene.zirkel.objects.LineObject;
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import rene.zirkel.objects.PointObject;
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import rene.zirkel.objects.PointonObject;
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import rene.zirkel.objects.PrimitiveLineObject;
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public class LineConstructor extends ObjectConstructor {
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PointObject P1=null, P2=null;
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ConstructionObject O;
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boolean Fix=false;
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boolean ShowsValue, ShowsName, Moved;
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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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}
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Fix=e.isShiftDown()||isFixed();
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ConstructionObject obj;
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if (Fix&&P1!=null&&!Dragging) { //Dibs, modif pour le segment de longueur fixe
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obj= new PointObject(zc.getConstruction(),zc.x(e.getX()), zc.y(e.getY()));
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((PointObject) obj).setUseAlpha(true);
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zc.addObject(obj);
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zc.validate();
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obj.setDefaults();
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zc.repaint();
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obj.edit(zc, false, false);
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zc.setNewPoint(true);
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}
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else {
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obj=select(e.getX(), e.getY(), zc, e.isAltDown());
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}
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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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}
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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 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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// System.out.println("premier point="+obj.getName());
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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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} else if (P2==null) {
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if (obj instanceof PointObject) {
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// System.out.println("deuxième point="+obj.getName());
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P2=(PointObject) obj;
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if (P2==P1) {
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P2=null;
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return;
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}
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final ConstructionObject o=create(zc.getConstruction(), P1,P2);
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zc.addObject(o);
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o.setDefaults();
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if (P2.moveable()&&!P2.isPointOn()&&zc.isNewPoint()) {
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Dragging=true;
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Moved=false;
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O=o;
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ShowsValue=o.showValue();
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ShowsName=o.showName();
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if ((Fix&&Global.getParameter("options.movefixname", true))||(!Fix&&Global.getParameter("options.movename",
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false))) {
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o.setShowValue(true);
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o.setShowName(true);
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}
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} else {
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Dragging=false;
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if (Fix) {
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setFixed(zc, o);
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}
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P1=P2=null;
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}
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zc.clearSelected();
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}
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}
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showStatus(zc);
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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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P2=select(e.getX(), e.getY(), zc, e.isAltDown());
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if (P2!=null) {
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final ConstructionObject o=create(zc.getConstruction(), P1, P2);
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zc.addObject(o);
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o.setDefaults();
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zc.validate();
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zc.repaint();
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P2=null;
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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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};
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Moved=true;
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if (P2!=null) {
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P2.move(zc.x(e.getX()), zc.y(e.getY()));
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zc.validate();
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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 mouseReleased(final MouseEvent e, final ZirkelCanvas zc) {
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if (!Dragging) {
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return;
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}
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Dragging=false;
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O.setShowValue(ShowsValue);
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O.setShowName(ShowsName);
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if (Fix) {
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O.round();
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}
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zc.repaint();
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if (Fix&&!Moved) {
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setFixed(zc, O);
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} else {
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try {
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O.setFixed(false, O.getStringLength());
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} catch (Exception ex) {}
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}
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reset(zc);
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}
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public boolean isFixed() {
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return false;
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}
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public void setFixed(final ZirkelCanvas zc, final ConstructionObject o) {
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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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public ConstructionObject create(Construction c,PointObject p1, PointObject p2) {
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return new LineObject(c, p1, p2);
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}
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@Override
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public void reset(final ZirkelCanvas zc) {
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if (!zc.Visual) {
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zc.setPrompt(getPrompt());
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} else {
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zc.clearSelected();
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P1=P2=null;
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showStatus(zc);
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}
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}
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public String getPrompt() {
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return Global.name("prompt.line");
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}
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@Override
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public void showStatus(final ZirkelCanvas zc) {
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if (P1==null) {
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zc.showStatus(Global.name("message.line.first",
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"Line: Set the first point!"));
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} else {
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zc.showStatus(Global.name("message.line.second",
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"Line: Set the second point!"));
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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, "Line")) {
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return false;
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}
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final XmlTag tag=tree.getTag();
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if (tag.hasParam("xaxis")) {
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final AxisObject o=new AxisObject(c, true);
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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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c.xAxis=o;
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return true;
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}
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if (tag.hasParam("yaxis")) {
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final AxisObject o=new AxisObject(c, false);
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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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c.yAxis=o;
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return true;
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}
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if (!tag.hasParam("from")||!tag.hasParam("to")) {
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if (!(c instanceof Macro)) {
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throw new ConstructionException("Line points missing!");
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}
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final PrimitiveLineObject o=new PrimitiveLineObject(c);
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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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} else {
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try {
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final PointObject p1=(PointObject) c.find(tag.getValue("from"));
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final PointObject p2=(PointObject) c.find(tag.getValue("to"));
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final LineObject o=new LineObject(c, p1, p2);
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if (tag.hasParam("partial")) {
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o.setPartial(true);
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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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} 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("Line points 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 "Line";
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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!=2) {
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throw new ConstructionException(Global.name("exception.nparams"));
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}
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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")+" "+params[0]);
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}
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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")+" "+params[1]);
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}
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if (!(P1 instanceof PointObject)) {
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throw new ConstructionException(Global.name("exception.type")+" "+params[0]);
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}
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if (!(P2 instanceof PointObject)) {
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throw new ConstructionException(Global.name("exception.type")+" "+params[1]);
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}
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final LineObject s=new LineObject(c, (PointObject) P1,
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(PointObject) P2);
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c.add(s);
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s.setDefaults();
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if (!name.equals("")) {
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s.setNameCheck(name);
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}
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}
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}
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