1 | /**
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2 | * NextItemUpAction.java
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3 | * Copyright (C) 2010 New Zealand Digital Library, http://expeditee.org
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4 | *
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5 | * This program is free software: you can redistribute it and/or modify
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6 | * it under the terms of the GNU General Public License as published by
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7 | * the Free Software Foundation, either version 3 of the License, or
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8 | * (at your option) any later version.
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9 | *
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10 | * This program is distributed in the hope that it will be useful,
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11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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13 | * GNU General Public License for more details.
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14 | *
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15 | * You should have received a copy of the GNU General Public License
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16 | * along with this program. If not, see <http://www.gnu.org/licenses/>.
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17 | */
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18 |
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19 | package org.expeditee.items.MagneticConstraint;
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20 |
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21 | import java.awt.Font;
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22 | import java.awt.Point;
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23 |
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24 | import org.expeditee.gui.Browser;
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25 | import org.expeditee.gui.DisplayIO;
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26 | import org.expeditee.gui.FrameGraphics;
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27 | import org.expeditee.items.*;
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28 |
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29 | public class NextItemUpAction implements MagneticConstraintAction {
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30 |
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31 | @Override
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32 | public boolean exec(final Item item) {
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33 | final Item above = item.getParent().getItemWithID(
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34 | item.getMagnetizedItemTop());
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35 | return moveCursor(above);
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36 | }
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37 |
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38 | private boolean moveCursor(final Item toMoveTo) {
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39 | if (toMoveTo == null)
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40 | return false;
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41 | if(toMoveTo instanceof Text) {
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42 | final Text asText = (Text)toMoveTo;
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43 | final Font font = asText.getFont();
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44 | final int indent = Browser._theBrowser.g.getFontMetrics(font).stringWidth(asText.getText().substring(0, asText.getText().length() - 1));
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45 | final Point position = toMoveTo.getPosition();
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46 | DisplayIO.setCursorPosition(position.x + indent, position.y, false);
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47 | FrameGraphics.refresh(false);
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48 | } else DisplayIO.setCursorPosition(toMoveTo.getPosition(), true);
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49 | return true;
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50 | }
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51 | }
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