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34 package info.magnolia.ui.vaadin.gwt.client.applauncher.widget;
35
36 import info.magnolia.ui.vaadin.gwt.client.applauncher.event.AppActivationEvent;
37 import info.magnolia.ui.vaadin.gwt.client.applauncher.shared.AppGroup;
38 import info.magnolia.ui.vaadin.gwt.client.applauncher.shared.AppTile;
39
40 import java.util.HashMap;
41 import java.util.Map;
42 import java.util.Map.Entry;
43 import java.util.function.Function;
44
45 import com.google.gwt.dom.client.Style;
46 import com.google.gwt.dom.client.Style.Unit;
47 import com.google.gwt.event.dom.client.ScrollEvent;
48 import com.google.gwt.event.dom.client.ScrollHandler;
49 import com.google.gwt.user.client.ui.FlowPanel;
50 import com.google.gwt.user.client.ui.ScrollPanel;
51 import com.google.web.bindery.event.shared.EventBus;
52 import com.vaadin.client.ComputedStyle;
53 import com.vaadin.client.ui.Icon;
54 import com.vaadin.client.ui.layout.ElementResizeEvent;
55 import com.vaadin.client.ui.layout.ElementResizeListener;
56
57
58
59
60 public class AppLauncherViewImpl extends FlowPanel implements AppLauncherView, AppActivationEvent.Handler {
61
62 private static final double TEMPORARY_PERMANENT_SECTIONS_OFFSET = 170.0;
63
64 private static final String PERMANENT_APP_GROUP_BORDER = "permanent-app-group-border";
65
66 private static final String PERMANENT_APP_GROUP_BORDER_BOTTOM = PERMANENT_APP_GROUP_BORDER + "-bottom";
67
68 private static final String PERMANENT_APP_GROUP_BORDER_TOP = PERMANENT_APP_GROUP_BORDER + "-top";
69
70 public static final String PERMANENT_APP_SCROLL_PANEL = "permanent-app-scroll-panel";
71
72 private final Map<String, VAppTileGroup> groups = new HashMap<String, VAppTileGroup>();
73
74 private final VTemporaryAppGroupBar temporarySectionsBar = new VTemporaryAppGroupBar();
75
76 private final EventBus eventBus;
77
78 private final Function<String, Icon> iconResolver;
79
80 private Presenter presenter;
81
82 private ScrollPanel permanentAppScrollPanel = new ScrollPanel();;
83
84 private FlowPanel permanentAppContainer = new FlowPanel();;
85
86 private ComputedStyle permanentAppScrollPanelStyle = new ComputedStyle(permanentAppScrollPanel.getElement());
87
88 public AppLauncherViewImpl(final EventBus eventBus, Function<String, Icon> iconResolver) {
89 super();
90 this.eventBus = eventBus;
91 this.iconResolver = iconResolver;
92 add(temporarySectionsBar);
93 this.eventBus.addHandler(AppActivationEvent.TYPE, this);
94
95 permanentAppScrollPanel.getElement().getStyle().setOverflowX(Style.Overflow.HIDDEN);
96 permanentAppScrollPanel.addStyleName(PERMANENT_APP_SCROLL_PANEL);
97
98 permanentAppScrollPanel.add(permanentAppContainer);
99 permanentAppScrollPanel.addScrollHandler(new ScrollHandler() {
100 @Override
101 public void onScroll(ScrollEvent event) {
102 updatePermanentAppGroupBorder();
103 }
104 });
105 add(permanentAppScrollPanel);
106 }
107
108 @Override
109 public void addAppGroup(AppGroup group) {
110 if (group.isPermanent()) {
111 addPermanentAppGroup(group);
112 } else {
113 addTemporaryAppGroup(group);
114 }
115 }
116
117 public void addTemporaryAppGroup(AppGroup groupParams) {
118 final VTemporaryAppTileGroup group = new VTemporaryAppTileGroup(groupParams.getBackgroundColor());
119 group.setClientGroup(groupParams.isClientGroup());
120 groups.put(groupParams.getName(), group);
121 temporarySectionsBar.addGroup(groupParams.getCaption(), group);
122 add(group);
123
124 presenter.registerElementResizeListener(group.getElement(), new ElementResizeListener() {
125 @Override
126 public void onElementResize(ElementResizeEvent e) {
127 final VTemporaryAppTileGroup currentOpenGroup = temporarySectionsBar.getCurrentOpenGroup();
128 if (currentOpenGroup == null || group == currentOpenGroup) {
129 permanentAppScrollPanel.getElement().getStyle().setBottom(TEMPORARY_PERMANENT_SECTIONS_OFFSET + group.getOffsetHeight(), Unit.PX);
130 updatePermanentAppGroupBorder();
131 }
132 }
133 });
134 }
135
136 public void addPermanentAppGroup(AppGroup groupParams) {
137 final VPermanentAppTileGroup group = new VPermanentAppTileGroup(groupParams.getCaption(), groupParams.getBackgroundColor());
138 group.setClientGroup(groupParams.isClientGroup());
139 groups.put(groupParams.getName(), group);
140 permanentAppContainer.add(group);
141
142 presenter.registerElementResizeListener(permanentAppScrollPanel.getElement(), new ElementResizeListener() {
143 @Override
144 public void onElementResize(ElementResizeEvent e) {
145 updatePermanentAppGroupBorder();
146 }
147 });
148 }
149
150 private void updatePermanentAppGroupBorder() {
151 permanentAppScrollPanel.removeStyleName(PERMANENT_APP_GROUP_BORDER_BOTTOM);
152 permanentAppScrollPanel.removeStyleName(PERMANENT_APP_GROUP_BORDER_TOP);
153 int maxScrollPosition = getPermanentAppGroupMaxScrollTop();
154 if (maxScrollPosition > 0) {
155 int verticalScrollPosition = permanentAppScrollPanel.getVerticalScrollPosition();
156 if (verticalScrollPosition > 0) {
157 permanentAppScrollPanel.addStyleName(PERMANENT_APP_GROUP_BORDER_TOP);
158 }
159
160 if (verticalScrollPosition < maxScrollPosition) {
161 permanentAppScrollPanel.addStyleName(PERMANENT_APP_GROUP_BORDER_BOTTOM);
162 }
163
164 }
165 }
166
167 private int getPermanentAppGroupMaxScrollTop() {
168 return permanentAppScrollPanel.getMaximumVerticalScrollPosition() - permanentAppScrollPanelStyle.getBorder()[0] - permanentAppScrollPanelStyle.getBorder()[2];
169 }
170
171 @Override
172 public void onAppActivated(AppActivationEvent event) {
173 presenter.activateApp(event.getAppName());
174 }
175
176 @Override
177 public void setPresenter(Presenter presenter) {
178 this.presenter = presenter;
179 }
180
181 @Override
182 public void setAppActive(String appName, boolean isActive) {
183 for (Entry<String, VAppTileGroup> entry : groups.entrySet()) {
184 if (entry.getValue().hasApp(appName)) {
185 AppTileWidget tile = entry.getValue().getAppTile(appName);
186 tile.setActiveState(isActive);
187 }
188 }
189 }
190
191 @Override
192 public void addAppTile(AppTile tileData, AppGroup groupData) {
193 AppTileWidget tile = new AppTileWidget(eventBus, tileData, iconResolver);
194 VAppTileGroup group = groups.get(groupData.getName());
195 if (group != null) {
196 group.addAppTile(tile);
197 }
198 }
199
200 @Override
201 public void clear() {
202 temporarySectionsBar.clear();
203 for (final VAppTileGroup group : groups.values()) {
204 remove(group);
205 }
206 groups.clear();
207 }
208 }