Mercurial > hg > STI-GWT

comparison src/econnect/wp3_3/client/widgets/timeplot/Timeplot.java @ 3:cf06b77a8bbd

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Committed branch of the e4D repos sti-gwt branch 16384. git-svn-id: http://dev.dariah.eu/svn/repos/eu.dariah.de/ap1/sti-gwt-dariah-geobrowser@36 f2b5be40-def6-11e0-8a09-b3c1cc336c6b
author StefanFunk <StefanFunk@f2b5be40-def6-11e0-8a09-b3c1cc336c6b>
date Tue, 17 Jul 2012 13:34:40 +0000
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2:2897af43ccc6 3:cf06b77a8bbd
1 package econnect.wp3_3.client.widgets.timeplot;
2
3 import com.google.gwt.user.client.ui.AbsolutePanel;
4 import com.google.gwt.user.client.ui.Grid;
5 import com.google.gwt.user.client.ui.Image;
6 import com.google.gwt.user.client.ui.SimplePanel;
7 import com.google.gwt.core.client.GWT;
8 import com.google.gwt.dom.client.DivElement;
9 import com.google.gwt.dom.client.Document;
10 import com.google.gwt.event.dom.client.ClickEvent;
11 import com.google.gwt.event.dom.client.ClickHandler;
12
13 import econnect.wp3_3.client.slider.Slider;
14 import econnect.wp3_3.client.core.ApplicationConstants;
15 import econnect.wp3_3.client.core.StiConstants;
16 import econnect.wp3_3.client.core.StiCore;
17 import econnect.wp3_3.client.widgets.timeplot.StiTimeplot;
18
19 /**
20 * Implementation of the Java component of the timeplot widget
21 */
22 public class Timeplot {
23
24 /**
25 * The Javascript timeplot object
26 */
27 private StiTimeplot jsTimeplot;
28
29 /**
30 * The slider component of the timeplot controls
31 */
32 private Slider zoomSlider;
33
34 /**
35 * The animation control image container
36 */
37 private Image animation;
38
39 /**
40 * If animation is possible (selected time range)
41 */
42 private boolean enableAnimation = false;
43
44 /**
45 * Constructor for the timeplot widget java component
46 *
47 * @param core object to allow interaction with all javascript components
48 * @param window id of the window to embed the timeplot widget
49 * @param container id of the container, the window will be added
50 */
51 public Timeplot( StiCore core, String window, String container ){
52 this.jsTimeplot = StiTimeplot.createStiTimeplot(core, window, container);
53 }
54
55 /**
56 * initializes the controls needed for timeplot interaction
57 *
58 * @return a grid of control elements
59 */
60 public Grid initPlotControls(){
61
62 final ApplicationConstants constants = (ApplicationConstants) GWT.create(ApplicationConstants.class);
63 final StiConstants textConstants = (StiConstants) GWT.create(StiConstants.class);
64
65 this.animation = new Image();
66 this.animation.setTitle(textConstants.animation0());
67 this.animation.setUrl(constants.playDisabled());
68 this.animation.addClickHandler(new ClickHandler() {
69 public void onClick(ClickEvent event) {
70 if( enableAnimation ){
71 if( jsTimeplot.paused() ){
72 jsTimeplot.play();
73 }
74 else {
75 jsTimeplot.pause();
76 }
77 }
78 }
79 });
80
81 final Grid controlGrid = new Grid(2,1);
82 controlGrid.setWidget(0, 0, this.animation);
83
84 DivElement zoomDiv = Document.get().createDivElement();
85 zoomSlider = new Slider(zoomDiv,"vertical");
86 zoomSlider.getSlider().setMaximum(100);
87 zoomSlider.getSlider().setValue(0);
88 zoomSlider.getSlider().addChangeListener(jsTimeplot,Document.get(),false);
89
90 Image zoomIn = new Image(constants.zoomInImage());
91 zoomIn.addClickHandler(new ClickHandler() {
92 public void onClick(ClickEvent event) {
93 jsTimeplot.zoom(1);
94 }
95 });
96 Image zoomOut = new Image(constants.zoomOutImage());
97 zoomOut.addClickHandler(new ClickHandler() {
98 public void onClick(ClickEvent event) {
99 jsTimeplot.zoom(-1);
100 }
101 });
102
103 SimplePanel zoom = new SimplePanel();
104 zoom.getElement().appendChild(zoomDiv);
105
106 AbsolutePanel zoomPanel = new AbsolutePanel();
107 zoomPanel.addStyleName("sliderStyle");
108 zoomPanel.addStyleName("cellStyle");
109 zoomPanel.addStyleName("center");
110 zoomPanel.add(zoomIn,2,0);
111 zoomPanel.add(zoom,0,10);
112 zoomPanel.add(zoomOut,2,84);
113 zoomIn.addStyleName("zHigh");
114 zoomOut.addStyleName("zHigh");
115 zoomPanel.setTitle(textConstants.plotZoom());
116
117 controlGrid.setWidget(1, 0, zoomPanel);
118 return controlGrid;
119
120 }
121
122 /**
123 * changes images of animation controls
124 */
125 public void animationImage( boolean enable ){
126 final ApplicationConstants constants = (ApplicationConstants) GWT.create(ApplicationConstants.class);
127 final StiConstants textConstants = (StiConstants) GWT.create(StiConstants.class);
128 this.enableAnimation = enable;
129 if( enable ){
130 if( jsTimeplot.paused() ){
131 animation.setUrl(constants.playEnabled());
132 animation.setTitle(textConstants.animation1());
133 }
134 else {
135 animation.setUrl(constants.pauseEnabled());
136 animation.setTitle(textConstants.animation2());
137 }
138 }
139 else {
140 animation.setUrl(constants.playDisabled());
141 animation.setTitle(textConstants.animation0());
142 }
143 }
144
145 /**
146 * sets zoom levels of corresponding zoom slider
147 *
148 * @param levels number of zoom levels
149 */
150 public void setZoomLevels( int levels ){
151 zoomSlider.getSlider().setMaximum(levels);
152 }
153
154 /**
155 * sets value of corresponding zoom slider
156 *
157 * @param value value to set
158 */
159 public void setValue( int value ){
160 zoomSlider.getSlider().setValue(value);
161 }
162
163 /**
164 * Getter for the value of corresponding zoom slider
165 *
166 * @return actual zoom slider value
167 */
168 public int getValue(){
169 return zoomSlider.getSlider().getValue();
170 }
171
172 /**
173 * Getter for the corresponding Javascript component of the Timeplot
174 *
175 * @return the Javascript component of the Timeplot
176 */
177 public StiTimeplot getJsTimeplot(){
178 return this.jsTimeplot;
179 }
180
181 }