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34 package info.magnolia.ui.vaadin.gwt.client.widget;
35
36 import info.magnolia.ui.vaadin.gwt.client.editor.jsni.AbstractFrameEventHandler;
37
38 import com.google.gwt.core.client.GWT;
39 import com.google.gwt.dom.client.Element;
40 import com.google.gwt.dom.client.Style;
41 import com.google.gwt.user.client.ui.Composite;
42 import com.google.gwt.user.client.ui.SimplePanel;
43 import com.google.gwt.user.client.ui.Widget;
44 import com.google.web.bindery.event.shared.EventBus;
45 import com.vaadin.client.BrowserInfo;
46 import com.vaadin.client.ComputedStyle;
47
48
49
50
51 public class PageEditorViewImpl extends Composite implements PageEditorView {
52
53 public static final String PAGE_EDITOR_CLASS_NAME = "pageEditor";
54
55 private Listener listener;
56
57 private PageEditorFrame iframe = new PageEditorFrame();
58
59 private String url;
60
61 private SimplePanel content;
62
63 private AbstractFrameEventHandler handler;
64 private int lastScrollPosition;
65
66 public PageEditorViewImpl(EventBus eventBus) {
67 super();
68 this.handler = GWT.create(AbstractFrameEventHandler.class);
69 this.content = new SimplePanel();
70 handler.setView(this);
71 handler.setEventBus(eventBus);
72 content.setWidget(iframe);
73 initWidget(content);
74 setStyleName(PAGE_EDITOR_CLASS_NAME);
75
76 final Element iframeElement = iframe.getElement();
77 iframeElement.setAttribute("width", "100%");
78 iframeElement.setAttribute("height", "100%");
79 iframeElement.setAttribute("allowTransparency", "true");
80 iframeElement.setAttribute("frameborder", "0");
81
82 handler.init();
83 if (BrowserInfo.get().isIE8()) {
84 registerPageEditorIframe(iframeElement);
85 }
86 }
87
88 private native void registerPageEditorIframe(Element iframeElement)
89
90 ;
91
92 @Override
93 public PageEditorFrame getFrame() {
94 return iframe;
95 }
96
97 @Override
98 public Widget getContent() {
99 return content;
100 }
101
102 @Override
103 public void setListener(Listener listener) {
104 this.listener = listener;
105 }
106
107 @Override
108 public void setUrl(String url) {
109 getFrame().setUrl(url);
110 this.url = url;
111 }
112
113 @Override
114 public void reload() {
115 handler.reloadIFrame(iframe.getElement());
116 }
117
118 @Override
119 public void setLastScrollPosition(int lastScrollPosition) {
120 this.lastScrollPosition = lastScrollPosition;
121 }
122
123 @Override
124 public void resetScrollTop() {
125 if (BrowserInfo.get().isTouchDevice()) {
126 getFrame().getElement().getStyle().setHeight(getFrame().getBody().getOffsetHeight(), Style.Unit.PX);
127 new ComputedStyle(getFrame().getElement());
128 }
129 content.getElement().setScrollTop(lastScrollPosition);
130 }
131
132 @Override
133 public void initDomEventListeners() {
134 if (BrowserInfo.get().isTouchDevice()) {
135 handler.initNativeTouchSelectionListener(iframe.getBody(), listener);
136 } else {
137 handler.initNativeMouseSelectionListener(iframe.getElement(), iframe.getBody(), listener);
138 }
139 handler.initNativeKeyListener(iframe.getElement());
140 handler.initScrollListener(content.getElement());
141 }
142
143 @Override
144 public void initKeyEventListeners() {
145 handler.initNativeKeyListener(iframe.getElement());
146 }
147
148 }