1 | /**
|
---|
2 | * ItemSelection.java
|
---|
3 | * Copyright (C) 2010 New Zealand Digital Library, http://expeditee.org
|
---|
4 | *
|
---|
5 | * This program is free software: you can redistribute it and/or modify
|
---|
6 | * it under the terms of the GNU General Public License as published by
|
---|
7 | * the Free Software Foundation, either version 3 of the License, or
|
---|
8 | * (at your option) any later version.
|
---|
9 | *
|
---|
10 | * This program is distributed in the hope that it will be useful,
|
---|
11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
|
---|
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
---|
13 | * GNU General Public License for more details.
|
---|
14 | *
|
---|
15 | * You should have received a copy of the GNU General Public License
|
---|
16 | * along with this program. If not, see <http://www.gnu.org/licenses/>.
|
---|
17 | */
|
---|
18 |
|
---|
19 | package org.expeditee.io;
|
---|
20 |
|
---|
21 |
|
---|
22 | import java.awt.Image;
|
---|
23 | import java.awt.Toolkit;
|
---|
24 | import java.awt.datatransfer.Clipboard;
|
---|
25 | import java.awt.datatransfer.DataFlavor;
|
---|
26 | import java.awt.datatransfer.Transferable;
|
---|
27 | import java.awt.datatransfer.UnsupportedFlavorException;
|
---|
28 | import java.awt.image.BufferedImage;
|
---|
29 | import java.io.File;
|
---|
30 | import java.io.IOException;
|
---|
31 | import java.io.Serializable;
|
---|
32 | import java.util.ArrayList;
|
---|
33 | import java.util.Arrays;
|
---|
34 | import java.util.List;
|
---|
35 |
|
---|
36 | import javax.imageio.ImageIO;
|
---|
37 |
|
---|
38 | import org.expeditee.gui.DisplayIO;
|
---|
39 | import org.expeditee.gui.FrameGraphics;
|
---|
40 | import org.expeditee.gui.FrameIO;
|
---|
41 | import org.expeditee.gui.FrameMouseActions;
|
---|
42 | import org.expeditee.gui.FreeItems;
|
---|
43 | import org.expeditee.gui.MessageBay;
|
---|
44 | import org.expeditee.items.Item;
|
---|
45 | import org.expeditee.items.ItemUtils;
|
---|
46 | import org.expeditee.items.Picture;
|
---|
47 | import org.expeditee.items.StringUtils;
|
---|
48 | import org.expeditee.items.Text;
|
---|
49 |
|
---|
50 | /**
|
---|
51 | * Allows item data (text) and metadata (position, shapes, etc) to be stored on the clipboard
|
---|
52 | *
|
---|
53 | * @author jts21
|
---|
54 | */
|
---|
55 | public class ItemSelection implements Transferable {
|
---|
56 |
|
---|
57 | /**
|
---|
58 | * Class used for storing data which can be used to reconstruct expeditee objects from the clipboard
|
---|
59 | * Stores data as a String containing .exp save data
|
---|
60 | */
|
---|
61 | public static final class ExpDataHandler implements Serializable {
|
---|
62 |
|
---|
63 | private static final long serialVersionUID = 1L;
|
---|
64 |
|
---|
65 | // whether this should be automatically picked up
|
---|
66 | public boolean autoPaste = true;
|
---|
67 |
|
---|
68 | // exp save data
|
---|
69 | public String items;
|
---|
70 | }
|
---|
71 |
|
---|
72 | public static final DataFlavor expDataFlavor = new DataFlavor(ExpDataHandler.class, "expDataHandler");
|
---|
73 |
|
---|
74 | private static final int STRING = 0;
|
---|
75 | private static final int IMAGE = 1;
|
---|
76 | private static final int EXP_DATA = 2;
|
---|
77 |
|
---|
78 | private static final DataFlavor[] flavors = {
|
---|
79 | DataFlavor.stringFlavor,
|
---|
80 | DataFlavor.imageFlavor,
|
---|
81 | expDataFlavor
|
---|
82 | };
|
---|
83 |
|
---|
84 | private String data;
|
---|
85 | private Image image;
|
---|
86 | private ExpDataHandler expData;
|
---|
87 |
|
---|
88 | public ItemSelection(String data, Image image, ExpDataHandler expData) {
|
---|
89 | this.data = data;
|
---|
90 | this.image = image;
|
---|
91 | this.expData = expData;
|
---|
92 | }
|
---|
93 |
|
---|
94 | @Override
|
---|
95 | public DataFlavor[] getTransferDataFlavors() {
|
---|
96 | return (DataFlavor[])flavors.clone();
|
---|
97 | }
|
---|
98 |
|
---|
99 | @Override
|
---|
100 | public boolean isDataFlavorSupported(DataFlavor flavor) {
|
---|
101 | for (int i = 0; i < flavors.length; i++) {
|
---|
102 | if (flavor.equals(flavors[i])) {
|
---|
103 | return true;
|
---|
104 | }
|
---|
105 | }
|
---|
106 | return false;
|
---|
107 | }
|
---|
108 |
|
---|
109 | @Override
|
---|
110 | public Object getTransferData(DataFlavor flavor)
|
---|
111 | throws UnsupportedFlavorException, IOException {
|
---|
112 | if (flavor.equals(flavors[STRING])) {
|
---|
113 | return (Object)data;
|
---|
114 | } else if (flavor.equals(flavors[IMAGE])) {
|
---|
115 | return (Object)image;
|
---|
116 | } else if (flavor.equals(flavors[EXP_DATA])) {
|
---|
117 | return (Object)expData;
|
---|
118 | } else {
|
---|
119 | throw new UnsupportedFlavorException(flavor);
|
---|
120 | }
|
---|
121 | }
|
---|
122 |
|
---|
123 | private static List<Item> getAllToCopy() {
|
---|
124 | List<Item> tmp = new ArrayList<Item>(FreeItems.getInstance());
|
---|
125 | List<Item> toCopy = new ArrayList<Item>(tmp);
|
---|
126 | for(Item i : tmp) {
|
---|
127 | for(Item c : i.getAllConnected()) {
|
---|
128 | if(! toCopy.contains(c)) {
|
---|
129 | toCopy.add(c);
|
---|
130 | FrameMouseActions.pickup(c);
|
---|
131 | }
|
---|
132 | }
|
---|
133 | }
|
---|
134 | return toCopy;
|
---|
135 | }
|
---|
136 |
|
---|
137 | public static void cut() {
|
---|
138 |
|
---|
139 | List<Item> toCopy = getAllToCopy();
|
---|
140 |
|
---|
141 | copy(toCopy);
|
---|
142 |
|
---|
143 | // remove the items attached to the cursor
|
---|
144 | DisplayIO.getCurrentFrame().removeAllItems(toCopy);
|
---|
145 | FreeItems.getInstance().clear();
|
---|
146 |
|
---|
147 | FrameGraphics.refresh(false);
|
---|
148 | }
|
---|
149 |
|
---|
150 | public static void copyClone() {
|
---|
151 |
|
---|
152 | copy(ItemUtils.CopyItems(getAllToCopy()));
|
---|
153 |
|
---|
154 | }
|
---|
155 |
|
---|
156 | /**
|
---|
157 | * Copies whatever items are attached to the mouse to the clipboard
|
---|
158 | */
|
---|
159 | private static void copy(List<Item> items) {
|
---|
160 | if(items.size() <= 0) {
|
---|
161 | return;
|
---|
162 | }
|
---|
163 |
|
---|
164 | StringBuilder clipboardText = new StringBuilder();
|
---|
165 | ExpDataHandler expData = new ExpDataHandler();
|
---|
166 | Image image = null;
|
---|
167 |
|
---|
168 | // get plaintext
|
---|
169 | for(Item i : items) {
|
---|
170 | if(i instanceof Text) {
|
---|
171 | clipboardText.append(((Text)i).getText());
|
---|
172 | clipboardText.append("\n\n");
|
---|
173 | }
|
---|
174 | if(i instanceof Picture) {
|
---|
175 | // TODO: merge multiple images if necessary
|
---|
176 | image = ((Picture)i).getImage();
|
---|
177 | }
|
---|
178 | }
|
---|
179 |
|
---|
180 | // get expeditee item data
|
---|
181 | ExpClipWriter ecw = new ExpClipWriter(FrameMouseActions.getX(), FrameMouseActions.getY());
|
---|
182 | try {
|
---|
183 | ecw.output(items);
|
---|
184 | } catch (IOException e1) {
|
---|
185 | e1.printStackTrace();
|
---|
186 | }
|
---|
187 | expData.items = ecw.getFileContents();
|
---|
188 | // System.out.println(expData.items);
|
---|
189 |
|
---|
190 | // write out to clipboard
|
---|
191 | ItemSelection selection = new ItemSelection(clipboardText.toString(), image, expData);
|
---|
192 | Toolkit.getDefaultToolkit().getSystemClipboard().setContents(selection, null);
|
---|
193 | }
|
---|
194 |
|
---|
195 | /**
|
---|
196 | * Generates items from the clipboard data
|
---|
197 | * TODO: Enable pasting raw image data (would require saving the data as an image file and generating a Text item pointing to it)
|
---|
198 | */
|
---|
199 | public static void paste() {
|
---|
200 | if(FreeItems.itemsAttachedToCursor()) {
|
---|
201 | MessageBay.displayMessage("Drop any items being carried on the cursor, then try pasting again");
|
---|
202 | return;
|
---|
203 | }
|
---|
204 | String type = "";
|
---|
205 | FreeItems f = FreeItems.getInstance();
|
---|
206 | Clipboard c = Toolkit.getDefaultToolkit().getSystemClipboard();
|
---|
207 | Transferable content = c.getContents(null);
|
---|
208 | try {
|
---|
209 | if(content.isDataFlavorSupported(ItemSelection.expDataFlavor)) { // Expeditee data
|
---|
210 | type = "Expeditee ";
|
---|
211 | ExpDataHandler expData = (ExpDataHandler)content.getTransferData(ItemSelection.expDataFlavor);
|
---|
212 | if(expData != null) {
|
---|
213 | List<Item> items = new ExpClipReader(FrameMouseActions.getX(), FrameMouseActions.getY()).read(expData.items);
|
---|
214 | // generate new IDs and pickup
|
---|
215 | FrameMouseActions.pickup(ItemUtils.CopyItems(items));
|
---|
216 | }
|
---|
217 | } else if(content.isDataFlavorSupported(DataFlavor.imageFlavor)) { // Image data
|
---|
218 | // System.out.println("IZ PIKTUR");
|
---|
219 | type = "Image ";
|
---|
220 | BufferedImage img = (BufferedImage)content.getTransferData(DataFlavor.imageFlavor);
|
---|
221 | int hashcode = Arrays.hashCode(img.getData().getPixels(0, 0, img.getWidth(), img.getHeight(), (int[])null));
|
---|
222 | File out = new File(FrameIO.IMAGES_PATH + Integer.toHexString(hashcode) + ".png");
|
---|
223 | out.mkdirs();
|
---|
224 | ImageIO.write(img, "png", out);
|
---|
225 | Text item = DisplayIO.getCurrentFrame().createNewText("@i: " + out.getPath());
|
---|
226 | f.add(item);
|
---|
227 | ExpClipReader.updateItems(f);
|
---|
228 | } else if(content.isDataFlavorSupported(DataFlavor.stringFlavor)) { // Plain text
|
---|
229 | type = "Plain Text ";
|
---|
230 | String clip = ((String) content.getTransferData(DataFlavor.stringFlavor));
|
---|
231 | // Covert the line separator char when pasting in
|
---|
232 | // windows (\r\n) or max (\r)
|
---|
233 | clip = StringUtils.convertNewLineChars(clip);
|
---|
234 | // blank line is an item separator
|
---|
235 | String[] items = clip.split("\n\n");
|
---|
236 | Item item, prevItem = null;
|
---|
237 | final int x = DisplayIO.getMouseX();
|
---|
238 | final int y = DisplayIO.getMouseY();
|
---|
239 | final Text template = DisplayIO.getCurrentFrame().getItemTemplate();
|
---|
240 | for(int i = 0; i < items.length; i++) {
|
---|
241 | // System.out.println(items[i]);
|
---|
242 | // System.out.println("Created item from string");
|
---|
243 | // item = DisplayIO.getCurrentFrame().createNewText(items[i]);
|
---|
244 | item = new Text(items[i]);
|
---|
245 | ((Text)item).setFont(template.getFont());
|
---|
246 | item.setX(x);
|
---|
247 | if(prevItem != null){
|
---|
248 | item.setY(prevItem.getY() + prevItem.getBoundsHeight());
|
---|
249 | } else item.setY(y);
|
---|
250 | f.add(item);
|
---|
251 | prevItem = item;
|
---|
252 | }
|
---|
253 | } /* else if {
|
---|
254 | // Next handler
|
---|
255 | } */
|
---|
256 | } catch (Exception e) {
|
---|
257 | System.out.println("Failed to load " + type + "data");
|
---|
258 | e.printStackTrace();
|
---|
259 | }
|
---|
260 | }
|
---|
261 |
|
---|
262 | }
|
---|