From 4a315722b12ab709334590f4f613f597a7dfb5d9 Mon Sep 17 00:00:00 2001
From: Eyck Jentzsch <eyck@minres.com>
Date: Tue, 16 Nov 2021 09:33:09 +0100
Subject: [PATCH] add help browser window instead of dialog

---
 .../Application.e4xmi                         |   5 +-
 .../META-INF/MANIFEST.MF                      |   1 +
 .../icons/accept.png                          | Bin 0 -> 781 bytes
 .../icons/arrow_redo.png                      | Bin 0 -> 625 bytes
 .../icons/arrow_refresh.png                   | Bin 0 -> 685 bytes
 .../icons/arrow_undo.png                      | Bin 0 -> 631 bytes
 .../scviewer/e4/application/Messages.java     |   2 +
 .../e4/application/handlers/HelpHandler.java  |  17 +-
 .../e4/application/messages.properties        |   2 +
 .../application/parts/help/HelpBrowser.java   | 152 ++++++++++++++++++
 10 files changed, 170 insertions(+), 9 deletions(-)
 create mode 100644 plugins/com.minres.scviewer.e4.application/icons/accept.png
 create mode 100644 plugins/com.minres.scviewer.e4.application/icons/arrow_redo.png
 create mode 100644 plugins/com.minres.scviewer.e4.application/icons/arrow_refresh.png
 create mode 100644 plugins/com.minres.scviewer.e4.application/icons/arrow_undo.png
 create mode 100644 plugins/com.minres.scviewer.e4.application/src/com/minres/scviewer/e4/application/parts/help/HelpBrowser.java

diff --git a/plugins/com.minres.scviewer.e4.application/Application.e4xmi b/plugins/com.minres.scviewer.e4.application/Application.e4xmi
index 90b71f5..c289e0d 100644
--- a/plugins/com.minres.scviewer.e4.application/Application.e4xmi
+++ b/plugins/com.minres.scviewer.e4.application/Application.e4xmi
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <application:Application xmi:version="2.0" xmlns:xmi="http://www.omg.org/XMI" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:advanced="http://www.eclipse.org/ui/2010/UIModel/application/ui/advanced" xmlns:application="http://www.eclipse.org/ui/2010/UIModel/application" xmlns:basic="http://www.eclipse.org/ui/2010/UIModel/application/ui/basic" xmlns:menu="http://www.eclipse.org/ui/2010/UIModel/application/ui/menu" xmlns:ui="http://www.eclipse.org/ui/2010/UIModel/application/ui" xmi:id="_95PfsHNmEeWBq8z1Dv39LA" elementId="org.eclipse.e4.ide.application" bindingContexts="_95PfuXNmEeWBq8z1Dv39LA">
-  <children xsi:type="basic:TrimmedWindow" xmi:id="_95PfsXNmEeWBq8z1Dv39LA" label="SC Viewer" bindingContexts="_95PfunNmEeWBq8z1Dv39LA" width="1280" height="700">
+  <children xsi:type="basic:TrimmedWindow" xmi:id="_95PfsXNmEeWBq8z1Dv39LA" elementId="com.minres.scviewer.e4.application.trimmedwindow.main" label="SC Viewer" bindingContexts="_95PfunNmEeWBq8z1Dv39LA" width="1280" height="700">
     <children xsi:type="advanced:PerspectiveStack" xmi:id="_95QGxnNmEeWBq8z1Dv39LA">
       <children xsi:type="advanced:Perspective" xmi:id="_95QGx3NmEeWBq8z1Dv39LA">
         <children xsi:type="basic:PartStack" xmi:id="_95QGyXNmEeWBq8z1Dv39LA" elementId="org.eclipse.editorss" containerData="7500">
@@ -134,6 +134,9 @@
       </children>
     </trimBars>
   </children>
+  <children xsi:type="basic:Window" xmi:id="_Gm0qAEamEeyPDuc8x6Ggxw" elementId="com.minres.scviewer.e4.application.window.help" toBeRendered="false" selectedElement="_M5eT0EamEeyPDuc8x6Ggxw" label="SC Viewer Help" width="800" height="600">
+    <children xsi:type="basic:Part" xmi:id="_M5eT0EamEeyPDuc8x6Ggxw" elementId="com.minres.scviewer.e4.application.part.container" contributionURI="bundleclass://com.minres.scviewer.e4.application/com.minres.scviewer.e4.application.parts.help.HelpBrowser"/>
+  </children>
   <handlers xmi:id="_95PfvXNmEeWBq8z1Dv39LA" elementId="com.minres.scviewer.e4.application.handler.quitCommand" contributionURI="bundleclass://com.minres.scviewer.e4.application/com.minres.scviewer.e4.application.handlers.QuitHandler" command="_95PfvHNmEeWBq8z1Dv39LA"/>
   <handlers xmi:id="_95PfwXNmEeWBq8z1Dv39LA" elementId="com.minres.scviewer.e4.application.handler.openCommand" contributionURI="bundleclass://com.minres.scviewer.e4.application/com.minres.scviewer.e4.application.handlers.OpenHandler" command="_95PfwHNmEeWBq8z1Dv39LA"/>
   <handlers xmi:id="_95PfxHNmEeWBq8z1Dv39LA" elementId="com.minres.scviewer.e4.application.handler.saveCommand" contributionURI="bundleclass://com.minres.scviewer.e4.application/com.minres.scviewer.e4.application.handlers.SaveHandler" command="_95Pfw3NmEeWBq8z1Dv39LA"/>
diff --git a/plugins/com.minres.scviewer.e4.application/META-INF/MANIFEST.MF b/plugins/com.minres.scviewer.e4.application/META-INF/MANIFEST.MF
index aa8d0d8..66f49b5 100644
--- a/plugins/com.minres.scviewer.e4.application/META-INF/MANIFEST.MF
+++ b/plugins/com.minres.scviewer.e4.application/META-INF/MANIFEST.MF
@@ -38,5 +38,6 @@ Require-Bundle: javax.inject;bundle-version="1.0.0",
  org.eclipse.equinox.p2.metadata.repository;bundle-version="1.3.400"
 Bundle-RequiredExecutionEnvironment: JavaSE-11
 Import-Package: com.minres.scviewer.database,
+ javax.annotation;version="1.0.0";resolution:=optional,
  javax.inject;version="1.0.0"
 Automatic-Module-Name: com.minres.scviewer.e4.application
diff --git a/plugins/com.minres.scviewer.e4.application/icons/accept.png b/plugins/com.minres.scviewer.e4.application/icons/accept.png
new file mode 100644
index 0000000000000000000000000000000000000000..89c8129a490b329f3165f32fa0781701aab417ea
GIT binary patch
literal 781
zcmV+o1M>WdP)<h;3K|Lk000e1NJLTq000mG000mO1^@s6AM^iV00004XF*Lt006JZ
zHwB960000PbVXQnQ*UN;cVTj606}DLVr3vnZDD6+Qe|Oed2z{QJOBU!pGibPR5;6}
zlj}=UVI0T(J9f@?Yy$~oL?MENP<s_55<8j=#k?#_)7`z&He=XKi!yRv#z-kGv(##H
zPHpPc=GK%laoJHq%)RMCwPAFzZ|CgAOcEn{;0q5A&*$@du5ke3{wIG76!;E_a;FdK
zvpp$H#^e2A>4-QibtN)VXQDpczE`xXAkUjh%RI>;okxb7K@0kpyQ1k_Y(|Oe7$m(^
zNYX>mI||sUbmn+c<m#Le&eeX{US5M~t}+^~?^x|a<4hF}*!YoT8=u}L$nm5IGu=t+
z9L!Cu36!D2Ujog{8R*!Qv#Iu-h5hwCT%4+a*g~$0uam-<K;}*|sK&CQl{uILRo+uj
zOcz2iRRHx=A>3<&FnE=4u#()KBS^SH8e)Qs5i!#lY=$-1gbH6VluzU=m=EP78&5vQ
z-?+fFP-G2l&l_QzYealK$;1Rl?FkzXR&Jv<pn=v~#I9rjiy!8pnkdBB+E5h!vH2Zs
z&o03*QH;J|Cj>@fBPNjCr#AYRyJ7UJQ0v#?)7Ott=>3<sG1xL&549^BdiQDc2Rk6B
z`CZUMF*oL$(7tdPx=A_AzG_6ieU8GLKR01{dI4q5ENECkOP~(zUNfjFVrvVjw*&_H
zKpN~TcTqhdhuVD-b<^codbfbK*#?vj9*4ql0y<|7?610!ZaoaDlGr-LWGi2|kG&eR
zM}vpV9aN6yK|7oS)sPHI2Nw>`#-pV!7>9}>Q1jL)H6h&gkP@3nI=+F3nA~M>u#(n*
z8T!#8oEw&-mED4!h4s!N@Jo3S7N&Q6%6l3}nlcd~X@>;uelvPsSkXIgg~e+^T1zSf
z3SNj(5%jK~i8@b;C<CFVY6wQ4<%I<*UYM=Ou+dYcgy^ro@n7=`XV9$WdAihN00000
LNkvXXu0mjf{u*Ke

literal 0
HcmV?d00001

diff --git a/plugins/com.minres.scviewer.e4.application/icons/arrow_redo.png b/plugins/com.minres.scviewer.e4.application/icons/arrow_redo.png
new file mode 100644
index 0000000000000000000000000000000000000000..fdc394c7c59b83cc2b876abc41064c75eb365877
GIT binary patch
literal 625
zcmV-%0*?KOP)<h;3K|Lk000e1NJLTq000mG000mO1^@s6AM^iV00004XF*Lt006JZ
zHwB960000PbVXQnQ*UN;cVTj606}DLVr3vnZDD6+Qe|Oed2z{QJOBU!14%?dR5;6}
zl21sKQ540`H;#r{q+@0|4upc#+Evt|+}NrKW)TGuWV=voQ3}~o$dv_d+C|VJ!=QvV
zg=H;rBZXmqaGb$ppf*{NV|@3V`?b()L>FZj9*=u@@4&g|7erBn|Ebu&JU%m$={t4j
zMA?=F80s{QH%n(hsfF%mohhehBz1^t6ID+NGJzBtYm#sZbA{ZEu?vrT)(Lb!?K~){
zH(Aw`uB}X<y1W|kSR9H3xx-yxB$$Xd*=b}y&J8@d^rAlw0A1tfQZDb^pE!_isNRER
z77+`|Ko_)nJknZkM$lLR0C4~il}T=IO4nEI2Av2=WIw+{{!<=n7K~`zm4qbB&F6+E
zuDrZlD$ucWTMde~1j#Y}c6>q9=*Zczi=_)|A3QuQ<J3g|WY@YBNVQd#S0O+Qg)arr
zxZ(3k3cPE^^QE&m0MH1E2!a46f+07J@%h!sflWbTsHw#ti&(ZI5<BW(#>}znM~D7~
zjUb95oV<O!r?ECU)Uvk)iX2PJOPHOXMSdX<+8+)?t@ILRhCc*r7R)%BE98z;lvSkb
z6AcIvqP4jd&HGy5k>Kv23l4|e@$lZ*dJFeEA1zqO!B_8JKbXnR;M>>lDE=(2>_dXN
zph(~<P@*<Rx&7Lq6ipeD9Wu3%s*@=u3X<dZ?Q-O9%?BF<wo<<UiN|Q`jamP@00000
LNkvXXu0mjf7Wxxg

literal 0
HcmV?d00001

diff --git a/plugins/com.minres.scviewer.e4.application/icons/arrow_refresh.png b/plugins/com.minres.scviewer.e4.application/icons/arrow_refresh.png
new file mode 100644
index 0000000000000000000000000000000000000000..0de26566d4102eec080253c2d08985ec58b14838
GIT binary patch
literal 685
zcmV;e0#f~nP)<h;3K|Lk000e1NJLTq000mG000mO1^@s6AM^iV00004XF*Lt006JZ
zHwB960000PbVXQnQ*UN;cVTj606}DLVr3vnZDD6+Qe|Oed2z{QJOBU!KS@MER5;6x
zliN$vVI0N>`!iy8(2_#ButL^3%VaH2WCpD^U)OZxp@C)2#hU)y+@T%ZNzJigNk%37
zz-WYJwT%teVfiEI+B*@v4ey@58(ld4VY_&5-ox`e@AKg+0U-I`y79bmuw_~y6+4rZ
zBG5EdFDS+@M0OSE`>d7SUDOzKZ&h*4eB1iX7tOd9RiYtW2mQ--bUahxr1`i{RG@dM
zL#}_X=DDO1{;UI$pFu=dLYT_=5d8WC-sLfjr7UO-HKMAwa<oXG=R>=!>)kEhvuwre
zuW3yF@ZxFCkI*+ad|5kOX%5zu8IQjhan)UqgSrFGA_0nQFn@Z08DSEUToCSz4Z1ls
z&fDbq$T&7|6iq$_uDI$@q1_kQ@dfqk*0>{SDL6V)94@)ete)j++*>bIc9sj}Y;R1o
z#OpH+Yt-^4wfv{nern^i<pj6=(tb^usZ6y;N@k3ZGD6Cffs2gHn1otpmp$hgMP?M4
zQDoMi?vff3cTC%b$c!VijelmFWVR;Cosh-|sjzjAkh;li)swan6*~qN?&bT5?|4i|
z1J;ZQ!-<EW$e_re$mo8fg)7MwkUG*MXq#xxBQ+E~CZtX-WyIX?XaQ+Vm?%Ozk{Bu=
z)z03=k?uo0A(a&g5Yo{{ANvto2^Wxtzk4yBb;6agVt8o?J@Y!W_?0-Uuiy!(Tyz#F
zvagTtg#H!FBLyKvjj0;d_p8<^a-5JF2&rt>Vag8<wJek}Xrh~hR7yw(OA+`Bgsg~}
T=<19p00000NkvXXu0mjf<1{{&

literal 0
HcmV?d00001

diff --git a/plugins/com.minres.scviewer.e4.application/icons/arrow_undo.png b/plugins/com.minres.scviewer.e4.application/icons/arrow_undo.png
new file mode 100644
index 0000000000000000000000000000000000000000..6972c5e5946080ca1dec4de09d9430d3edf6c555
GIT binary patch
literal 631
zcmV--0*L*IP)<h;3K|Lk000e1NJLTq000mG000mO1^@s6AM^iV00004XF*Lt006JZ
zHwB960000PbVXQnQ*UN;cVTj606}DLVr3vnZDD6+Qe|Oed2z{QJOBU!2}wjjR5;6}
zQ$1*tQ4~G-8pKkeLW<1~!O+r47jY1js?~xh(g+!X;Lt@XC`fT|a1obM9a<E@LMIhL
zBtuZp;3A?H#4Jv>`NY~_X_4^RN+9OmbDu*=G*+<E3zzq}aL(i0b6&_fhs~6SO;)&Z
zx%7I(nHh`*(m-Y7Gzu%KEK*od)!d`uC*=k%)Q~Xx@~k@?KLY0fbA&kuI)X;jq=ujx
zU@2IJ|D}{y;rQe8&u3aBkhTUg1)V`nK_lo0&uc^b)^_wI`mk%~?zD(r9=y??Y>_}E
z3jR}&gbG0=R0#?Z-=09KI|YP8=#E5@+>uO|=1VUCOole%Li*0J2^Gy8+;b?&km6gg
zf;aDGp1r#I_V|We$e$~WifFF9R7MCMwsmwsME9<<@yx?a+v)qKuKbNe>k1{IrVt}k
zbbSs~bXr8Se}V_b4opa0GhLA`RHceaP=N}IElbSa8@d(ij1Q|4CvOirm9<wWL_C^6
zDw#rfOBkMcSX`U~MGH-W?A@X3(azX~-dHaT4n2vUriC;E9r69gDm;4lyii7I&d*bs
zYZ8cPT~#3_FbB{PW`r7Hj;PgYSP51!x9r28_48C4|1jm3TatL<=F!PmBzjS4m|yq=
zm0vkf<yR_;R2E3)W~V+jqYUR<vj@iZPxoKj_x|_Uzq-W*sq2V}KKP&C_!ATPg_7zO
R<?R3f002ovPDHLkV1o1x87Ke%

literal 0
HcmV?d00001

diff --git a/plugins/com.minres.scviewer.e4.application/src/com/minres/scviewer/e4/application/Messages.java b/plugins/com.minres.scviewer.e4.application/src/com/minres/scviewer/e4/application/Messages.java
index 3ca4467..3d88974 100644
--- a/plugins/com.minres.scviewer.e4.application/src/com/minres/scviewer/e4/application/Messages.java
+++ b/plugins/com.minres.scviewer.e4.application/src/com/minres/scviewer/e4/application/Messages.java
@@ -83,6 +83,8 @@ public class Messages extends NLS {
 	public static String cursor;
 	public static String cursor_drag;
 	public static String cursor_text;
+	public static String HelpBrowser_7;
+	public static String HelpBrowser_8;
 	public static String HelpDialog_0;
 	public static String HelpDialog_1;
 	public static String HelpDialog_2;
diff --git a/plugins/com.minres.scviewer.e4.application/src/com/minres/scviewer/e4/application/handlers/HelpHandler.java b/plugins/com.minres.scviewer.e4.application/src/com/minres/scviewer/e4/application/handlers/HelpHandler.java
index 8602148..55e6a9f 100644
--- a/plugins/com.minres.scviewer.e4.application/src/com/minres/scviewer/e4/application/handlers/HelpHandler.java
+++ b/plugins/com.minres.scviewer.e4.application/src/com/minres/scviewer/e4/application/handlers/HelpHandler.java
@@ -12,20 +12,21 @@ package com.minres.scviewer.e4.application.handlers;
 
 import org.eclipse.e4.core.di.annotations.Execute;
 import org.eclipse.e4.ui.model.application.MApplication;
-import org.eclipse.e4.ui.model.application.ui.basic.MPart;
-import org.eclipse.e4.ui.model.application.ui.basic.MWindow;
+import org.eclipse.e4.ui.model.application.ui.MUIElement;
 import org.eclipse.e4.ui.workbench.modeling.EModelService;
-import org.eclipse.swt.widgets.Shell;
 
 public class HelpHandler {
 
-	static final String DIALOG_ID="com.minres.scviewer.e4.application.dialog.onlinehelp";
+	static final String DIALOG_ID="com.minres.scviewer.e4.application.dialog.onlinehelp"; //$NON-NLS-1$
+	static final String WINDOW_ID="com.minres.scviewer.e4.application.window.help"; //$NON-NLS-1$
 	
 	@Execute
-	public void execute(Shell shell, MApplication app, MWindow window, EModelService ms /*@Named("mdialog01.dialog.0") MDialog dialog*/) {
-		MPart mel = (MPart) ms.find(DIALOG_ID, app); //$NON-NLS-1$
-		mel.setToBeRendered(true);
-		mel.setToBeRendered(false);
+	public void execute(MApplication app, /*MWindow window,*/ EModelService ms /*@Named("mdialog01.dialog.0") MDialog dialog*/) {
+//		MPart mel = (MPart) ms.find(DIALOG_ID, app); //$NON-NLS-1$
+//		mel.setToBeRendered(true);
+//		mel.setToBeRendered(false);
+		MUIElement w = ms.find(WINDOW_ID, app); 
+		if(w!=null) w.setToBeRendered(true);
 	}
 
 }
diff --git a/plugins/com.minres.scviewer.e4.application/src/com/minres/scviewer/e4/application/messages.properties b/plugins/com.minres.scviewer.e4.application/src/com/minres/scviewer/e4/application/messages.properties
index a8fff7f..9651d86 100644
--- a/plugins/com.minres.scviewer.e4.application/src/com/minres/scviewer/e4/application/messages.properties
+++ b/plugins/com.minres.scviewer.e4.application/src/com/minres/scviewer/e4/application/messages.properties
@@ -77,6 +77,8 @@ signal_nan=Signal NaN Value
 cursor=Cursor
 cursor_drag=dragged Cursor
 cursor_text=Cursor Text
+HelpBrowser_7=Error initializing help browser
+HelpBrowser_8=An error occurred while initializing the help browser: 
 HelpDialog_0=Back
 HelpDialog_1=Forward
 HelpDialog_2=Stop
diff --git a/plugins/com.minres.scviewer.e4.application/src/com/minres/scviewer/e4/application/parts/help/HelpBrowser.java b/plugins/com.minres.scviewer.e4.application/src/com/minres/scviewer/e4/application/parts/help/HelpBrowser.java
new file mode 100644
index 0000000..1ed125f
--- /dev/null
+++ b/plugins/com.minres.scviewer.e4.application/src/com/minres/scviewer/e4/application/parts/help/HelpBrowser.java
@@ -0,0 +1,152 @@
+package com.minres.scviewer.e4.application.parts.help;
+
+import java.io.File;
+
+import javax.annotation.PostConstruct;
+import javax.inject.Inject;
+
+import org.eclipse.e4.ui.model.application.ui.basic.MPart;
+import org.eclipse.jface.dialogs.Dialog;
+import org.eclipse.jface.dialogs.IDialogConstants;
+import org.eclipse.jface.dialogs.MessageDialog;
+import org.eclipse.jface.resource.ImageDescriptor;
+import org.eclipse.jface.resource.ResourceLocator;
+import org.eclipse.swt.SWT;
+import org.eclipse.swt.SWTError;
+import org.eclipse.swt.browser.Browser;
+import org.eclipse.swt.browser.LocationListener;
+import org.eclipse.swt.browser.ProgressEvent;
+import org.eclipse.swt.browser.ProgressListener;
+import org.eclipse.swt.graphics.Image;
+import org.eclipse.swt.graphics.Point;
+import org.eclipse.swt.layout.GridData;
+import org.eclipse.swt.layout.GridLayout;
+import org.eclipse.swt.widgets.Composite;
+import org.eclipse.swt.widgets.Control;
+import org.eclipse.swt.widgets.Label;
+import org.eclipse.swt.widgets.Listener;
+import org.eclipse.swt.widgets.ProgressBar;
+import org.eclipse.swt.widgets.Shell;
+import org.eclipse.swt.widgets.Text;
+import org.eclipse.swt.widgets.ToolBar;
+import org.eclipse.swt.widgets.ToolItem;
+
+import com.minres.scviewer.e4.application.Messages;
+
+public class HelpBrowser {
+
+	private static void decorateItem(ToolItem item, String label, String imageName) {
+		String fullpath = File.separator+"icons"+File.separator+imageName; //$NON-NLS-1$
+		ImageDescriptor descr =  ResourceLocator.imageDescriptorFromBundle("com.minres.scviewer.e4.application", fullpath).orElse(null); //$NON-NLS-1$
+		if(descr == null) {
+			item.setText(label);
+		} else {
+			item.setImage(descr.createImage());
+			item.setToolTipText(label);
+		}
+		item.setData(label);
+	}
+
+	@Inject
+	public HelpBrowser() {
+		
+	}
+	
+	@PostConstruct
+	protected Control createComposite(Composite container) {
+		GridLayout gridLayout = new GridLayout();
+		gridLayout.numColumns = 3;
+		container.setLayout(gridLayout);
+		ToolBar toolbar = new ToolBar(container, SWT.NONE);
+		ToolItem itemBack = new ToolItem(toolbar, SWT.PUSH);
+		decorateItem(itemBack, Messages.HelpDialog_0, "arrow_undo.png"); //$NON-NLS-1$
+		ToolItem itemForward = new ToolItem(toolbar, SWT.PUSH);
+		decorateItem(itemForward, Messages.HelpDialog_1, "arrow_redo.png"); //$NON-NLS-1$
+		ToolItem itemStop = new ToolItem(toolbar, SWT.PUSH);
+		decorateItem(itemStop, Messages.HelpDialog_2, "cross.png"); //$NON-NLS-1$
+		ToolItem itemRefresh = new ToolItem(toolbar, SWT.PUSH);
+		decorateItem(itemRefresh, Messages.HelpDialog_3, "arrow_refresh.png"); //$NON-NLS-1$
+		ToolItem itemGo = new ToolItem(toolbar, SWT.PUSH);
+		decorateItem(itemGo, Messages.HelpDialog_4, "accept.png"); //$NON-NLS-1$
+
+		GridData data = new GridData();
+		data.horizontalSpan = 3;
+		toolbar.setLayoutData(data);
+
+		Label labelAddress = new Label(container, SWT.NONE);
+		labelAddress.setText(Messages.HelpDialog_5);
+
+		final Text location = new Text(container, SWT.BORDER);
+		data = new GridData();
+		data.horizontalAlignment = GridData.FILL;
+		data.horizontalSpan = 2;
+		data.grabExcessHorizontalSpace = true;
+		location.setLayoutData(data);
+
+		final Browser browser;
+		try {
+			browser = new Browser(container, SWT.NONE);
+			data = new GridData();
+			//			data.widthHint = 800;
+			//			data.heightHint =600;
+			data.horizontalAlignment = GridData.FILL;
+			data.verticalAlignment = GridData.FILL;
+			data.horizontalSpan = 3;
+			data.grabExcessHorizontalSpace = true;
+			data.grabExcessVerticalSpace = true;
+			browser.setLayoutData(data);
+
+			final Label status = new Label(container, SWT.NONE);
+			data = new GridData(GridData.FILL_HORIZONTAL);
+			data.horizontalSpan = 2;
+			status.setLayoutData(data);
+
+			final ProgressBar progressBar = new ProgressBar(container, SWT.NONE);
+			data = new GridData();
+			data.horizontalAlignment = GridData.END;
+			progressBar.setLayoutData(data);
+
+			/* event handling */
+			Listener listener = event -> {
+				ToolItem item = (ToolItem) event.widget;
+				String string = (String) item.getData();
+				if (string.equals(Messages.HelpDialog_0))
+					browser.back();
+				else if (string.equals(Messages.HelpDialog_1))
+					browser.forward();
+				else if (string.equals(Messages.HelpDialog_2))
+					browser.stop();
+				else if (string.equals(Messages.HelpDialog_3))
+					browser.refresh();
+				else if (string.equals(Messages.HelpDialog_4))
+					browser.setUrl(location.getText());
+			};
+			browser.addProgressListener(new ProgressListener() {
+				@Override
+				public void changed(ProgressEvent event) {
+					if (event.total == 0) return;
+					int ratio = event.current * 100 / event.total;
+					progressBar.setSelection(ratio);
+				}
+				@Override
+				public void completed(ProgressEvent event) {
+					progressBar.setSelection(0);
+				}
+			});
+			browser.addStatusTextListener(event -> status.setText(event.text));
+			browser.addLocationListener(LocationListener.changedAdapter(event -> { if (event.top) location.setText(event.location);	}));
+			itemBack.addListener(SWT.Selection, listener);
+			itemForward.addListener(SWT.Selection, listener);
+			itemStop.addListener(SWT.Selection, listener);
+			itemRefresh.addListener(SWT.Selection, listener);
+			itemGo.addListener(SWT.Selection, listener);
+			location.addListener(SWT.DefaultSelection, e -> browser.setUrl(location.getText()));
+			browser.setUrl(Messages.HelpDialog_6);
+		} catch (SWTError e) {
+			MessageDialog.openWarning(container.getDisplay().getActiveShell(), Messages.HelpBrowser_7,Messages.HelpBrowser_8+e.getMessage());
+		}
+		return container;
+	}
+
+
+}
\ No newline at end of file