1 | /**
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2 | * DisplayTreeLeaves.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.agents;
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20 |
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21 | import org.expeditee.gui.Frame;
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22 | import org.expeditee.items.Item;
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23 |
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24 | /**
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25 | * Displays the Tree of Frames starting from the given frame. The delay between
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26 | * frames can be adjusted, either per-frame with the
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27 | *
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28 | * @DisplayFramePause tag, or mid-stream with the
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29 | * @DisplayTreePause tag, both tags should be followed with the desired delay in
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30 | * ms. The default delay between Frames is 50ms.
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31 | * @author jdm18
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32 | *
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33 | */
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34 | public class DisplayTreeLeaves extends DisplayTree {
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35 |
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36 | public DisplayTreeLeaves(String delay) {
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37 | super(delay);
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38 | }
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39 |
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40 | public DisplayTreeLeaves() {
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41 | super();
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42 | }
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43 |
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44 | @Override
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45 | protected void processFrame(Frame toProcess) {
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46 | // call display trees process only if the frame doesnt have any linked
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47 | // items
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48 | for (Item item : toProcess.getItems()) {
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49 | if (item.getLink() != null && !item.isAnnotation())
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50 | return;
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51 | }
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52 |
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53 | super.processFrame(toProcess);
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54 | }
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55 | }
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