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annotate flys-client/src/main/java/de/intevation/flys/client/client/ui/ScreenLock.java @ 5486:b19f0fd301fc

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New ScrenLock class to ease refactoring and reuse of spinning-wheel-show.
author Felix Wolfsteller <felix.wolfsteller@intevation.de>
date Thu, 28 Mar 2013 09:24:41 +0100
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5486
b19f0fd301fc New ScrenLock class to ease refactoring and reuse of spinning-wheel-show.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
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1 package de.intevation.flys.client.client.ui;
b19f0fd301fc New ScrenLock class to ease refactoring and reuse of spinning-wheel-show.
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2
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3 import com.google.gwt.core.client.GWT;
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4
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5 import com.smartgwt.client.types.Alignment;
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6 import com.smartgwt.client.types.VerticalAlignment;
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7 import com.smartgwt.client.widgets.Img;
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8 import com.smartgwt.client.widgets.layout.HLayout;
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9 import com.smartgwt.client.widgets.layout.Layout;
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10 import com.smartgwt.client.widgets.layout.VLayout;
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11
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12 import de.intevation.flys.client.client.FLYSConstants;
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13
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14 /** Basic static functionality to show spinning wheel. */
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15 public class ScreenLock {
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17 /** The message class that provides i18n strings. */
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18 protected static FLYSConstants messages = GWT.create(FLYSConstants.class);
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19
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20 /** Disables input, grey out, show spinning wheel of joy. */
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21 public static VLayout lockUI(Layout layout, VLayout lockScreen) {
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22 if (lockScreen == null) {
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23 lockScreen = new VLayout();
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24 lockScreen.setWidth100();
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25 lockScreen.setHeight100();
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26 lockScreen.setBackgroundColor("#7f7f7f");
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27 lockScreen.setOpacity(50);
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28 lockScreen.setAlign(VerticalAlignment.CENTER);
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29 lockScreen.setDefaultLayoutAlign(VerticalAlignment.CENTER);
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30
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31 HLayout inner = new HLayout();
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32 inner.setAlign(Alignment.CENTER);
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33 inner.setDefaultLayoutAlign(Alignment.CENTER);
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34 inner.setOpacity(100);
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35
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36 Img img = new Img(
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37 GWT.getHostPageBaseURL() + messages.loadingImg(),
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38 25, 25);
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39
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40 inner.addMember(img);
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41
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42 lockScreen.addMember(inner);
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43 }
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44
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45 layout.addChild(lockScreen);
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46 return lockScreen;
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47 }
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48
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49 /** Enable input, remove grey, remove spinning wheel of joy. */
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50 public static void unlockUI(Layout layout, VLayout lockScreen) {
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51 layout.removeChild(lockScreen);
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52 }
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53 }
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54 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
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55
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