View website source code

Package com. longruan. lrgis. Gui;

Import java. Io. bufferedreader;
Import java. Io. bufferedwriter;
Import java. Io. filewriter;
Import java. Io. ioexception;
Import java. Io. inputstreamreader;
Import java.net. url;

Import org. Eclipse. SWT. SWT;
Import org. Eclipse. SWT. browser. browser;
Import org. Eclipse. SWT. Events. selectionadapter;
Import org. Eclipse. SWT. Events. selectionevent;
Import org. Eclipse. SWT. Widgets. Button;
Import org. Eclipse. SWT. Widgets. Combo;
Import org. Eclipse. SWT. Widgets. Control;
Import org. Eclipse. SWT. Widgets. display;
Import org. Eclipse. SWT. Widgets. filedialog;
Import org. Eclipse. SWT. Widgets. label;
Import org. Eclipse. SWT. Widgets. Menu;
Import org. Eclipse. SWT. Widgets. menuitem;
Import org. Eclipse. SWT. Widgets. MessageBox;
Import org. Eclipse. SWT. Widgets. progressbar;
Import org. Eclipse. SWT. Widgets. shell;
Import org. Eclipse. SWT. Widgets. tabfolder;
Import org. Eclipse. SWT. Widgets. tabitem;
Import org. Eclipse. SWT. Widgets. text;

Import com. longruan. lrgis. Gui. util. swtresourcemanager;

Public class gethtmlcode {
Private Label label_2;
Private Label label_1;
Private tabfolder;
Private Label label;
Private button savebtn;
Private button exitbtn;
Private button resetbtn;
Private text filenametext;

Private text textcode;

Private combo;

Private text httptext;

Protected shell;

Private button viewbtn;

Private browser;

Private progressbar;

// Main function, Main Entry
Public static void main (string [] ARGs ){
Try {
Gethtmlcode window = new gethtmlcode ();
Window. open ();
} Catch (exception e ){
E. printstacktrace ();
}
}

// Display the device
Public void open (){
Final display = display. getdefault ();
Createcontents ();
Shell. open ();
Shell. layout ();
While (! Shell. isdisposed ()){
If (! Display. readanddispatch ())
Display. Sleep ();
}
}

// View the source code of the input webpage
Public void ViewCode (){
Try {
Viewbtn. setenabled (false); // after you click the button, the set button is unavailable.
URL url = new URL (httptext. gettext ());
Bufferedreader in = new bufferedreader (New inputstreamreader (URL
. Openstream (), Combo. gettext ()));
Textcode. settext ("");
String tmpcode = "";
Int I = 0;
Progressbar. setselection (I );
While (tmpcode = in. Readline ())! = NULL ){
Textcode. append (tmpcode + '/N ');
Progressbar. setselection (I );
I ++;
}
Progressbar. setselection (5000 );
Viewbtn. setenabled (true );
Urlopenmess ();
} Catch (exception e ){
E. printstacktrace ();
}
}

// Exit prompt
Public void exit (){
MessageBox mess = new MessageBox (shell, SWT. OK | SWT. Cancel
| SWT. icon_question );
Mess. settext ("quit ");
Mess. setmessage ("are you sure you want to exit ");
If (mess. open () = SWT. OK ){
System. Exit (0 );
}
}

// Prompt whether the source code needs to be saved
Public void nullmessbox (){
MessageBox mess = new MessageBox (shell, SWT. OK | SWT. icon_warning );
Mess. settext ("prompt ");
Mess. setmessage ("no source code ");
Mess. open ();
}

Public void savecode (){
// Determine whether the source code exists. If no source code exists, return directly without any operation.
If (textcode. gettext (). Equals ("")){
Nullmessbox ();
Return;
}
// Create a dialog box and prompt the path to be saved
Filedialog file = new filedialog (shell, SWT. Save );
String [] filter = {"*. txt", "*. html", "*. htm ","*.*"};
File. setfilterextensions (filter );
String filename = file. open ();
// Verify whether the file name to be saved is entered. If no file name exists, the system returns the file directly without any operation.
If (filename = NULL)
Return;
Try {
Filewriter in = new filewriter (filename );
Bufferedwriter out = new bufferedwriter (in );
Out. Write (textcode. gettext ());
Out. Flush ();
Out. Close ();
Filenametext. settext (filename); // after saving, the SAVE path is displayed.
} Catch (ioexception e ){
E. printstacktrace ();
}
}

// After the code is displayed, the system prompts whether to browse the webpage.
Public void urlopenmess (){
MessageBox mess = new MessageBox (shell, SWT. OK | SWT. Cancel
| SWT. icon_question );
Mess. settext ("prompt ");
Mess. setmessage ("whether to enable Web Page Preview ");
If (mess. open () = SWT. OK ){
Browser. seturl (httptext. gettext ());
}
}

// Draw a form
Protected void createcontents (){
Shell = new shell (SWT. min );
Shell. setimage (swtresourcemanager
. Getimage (gethtmlcode. class, "ICO. ICO "));
Shell. setsize (685,554 );

// Set the center of the form to obtain the screen resolution and calculate it with the program size.
Int x = (shell. getmonitor (). getclientarea (). Width-shell. getsize (). X)/2;
Int y = (shell. getmonitor (). getclientarea (). Height-shell. getsize (). Y)/2;
Shell. setlocation (x, y );
Shell
. Settext ("Web source code viewer revised by hmilyld 04.11 ------ http://www.hmilyld.cn ");

Final menu = new menu (shell, SWT. bar );
Shell. setmenubar (menu );

Final menuitem = new menuitem (menu, SWT. Cascade );
Menuitem. settext ("file (& F )");

Final menu menu_1 = new menu (menuitem );
Menuitem. setmenu (menu_1 );

// Click the exit button.
Final menuitem exititem = new menuitem (menu_1, SWT. None );
Exititem. addselectionlistener (New selectionadapter (){
Public void widgetselected (selectionevent arg0 ){
Exit ();
}
});
Exititem. settext ("exit (& Q )");

Label = new label (shell, SWT. Separator | SWT. Horizontal );
Label. setbounds (0,459,679, 13 );

Label_1 = new label (shell, SWT. Right );
Label_1.settext ("webpage code viewer revised by hmilyld 04.11 ");
Label_1.setbounds (420,478,249, 13 );

Tabfolder = new tabfolder (shell, SWT. None );
Tabfolder. setbounds (10, 83,659,370 );

Final tabitem = new tabitem (tabfolder, SWT. None );
Tabitem. settext ("source code ");

Textcode = new text (tabfolder, SWT. v_scroll | SWT. Border );
Tabitem. setcontrol (textcode );

Final tabitem tabitem_1 = new tabitem (tabfolder, SWT. None );
Tabitem_1.settext ("webpage preview ");

Browser = new browser (tabfolder, SWT. None );
Browser. seturl ("");
Tabitem_1.setcontrol (browser );

Label_2 = new label (shell, SWT. None );
Label_2.settext ("Enter the webpage address of the source code: (including http ://)");
Label_2.setbounds (ten, 10,270, 13 );

Httptext = new text (shell, SWT. Border );
Httptext. settooltiptext ("Enter the webpage address, including http ://");
Httptext. settext ("http://www.hmilyld.cn ");
Httptext. setbounds (ten, 27,362, 25 );

// Click View.
Viewbtn = new button (shell, SWT. None );
Viewbtn. addselectionlistener (New selectionadapter (){
Public void widgetselected (selectionevent arg0 ){
ViewCode ();
}
});
Viewbtn. settext ("View ");
Viewbtn. setbounds (456, 29, 67, 23 );

// Click the Clear button.
Resetbtn = new button (shell, SWT. None );
Resetbtn. addselectionlistener (New selectionadapter (){
Public void widgetselected (selectionevent arg0 ){
Textcode. settext ("");
}
});
Resetbtn. setbounds (529, 29, 67, 23 );
Resetbtn. settext ("clear ");

Combo = new combo (shell, SWT. None );
Combo. settooltiptext ("webpage encoding type. If garbled characters appear, select here ");
Combo. settext ("gb2312 ");
Combo. Add ("gb2312 ");
Combo. Add ("UTF-8 ");
Combo. setbounds (383, 31, 67, 21 );

// Click the exit button.
Exitbtn = new button (shell, SWT. None );
Exitbtn. addselectionlistener (New selectionadapter (){
Public void widgetselected (selectionevent arg0 ){
Exit ();
}
});
Exitbtn. setbounds (602, 29, 67, 23 );
Exitbtn. settext ("quit ");

Progressbar = new progressbar (shell, SWT. None );
Progressbar. setmaximum (5000 );
Progressbar. setbounds (10, 62,270, 17 );
Progressbar. settooltiptext ("Code read progress bar ");

Filenametext = new text (shell, SWT. Border );
Filenametext. settooltiptext ("Source code storage path ");
Filenametext. setbounds (286, 58,249, 25 );

// Save the source code button
Savebtn = new button (shell, SWT. None );
Savebtn. settooltiptext ("Save the page source code ");
Savebtn. addselectionlistener (New selectionadapter (){
Public void widgetselected (selectionevent arg0 ){
Savecode ();
}
});
Savebtn. setbounds (539, 58,130, 23 );
Savebtn. settext ("Save Code ");
Shell. settablist (new control [] {httptext, combo, viewbtn, resetbtn,
Exitbtn, savebtn });
}
}