dlangui/examples/dmledit/src/dmledit.d

373 lines
15 KiB
D

module dmledit;
import dlangui;
import dlangui.dialogs.filedlg;
import dlangui.dialogs.dialog;
import dlangui.dml.dmlhighlight;
import std.array : replaceFirst;
mixin APP_ENTRY_POINT;
// action codes
enum IDEActions : int {
//ProjectOpen = 1010000,
FileNew = 1010000,
FileOpen,
FileSave,
FileSaveAs,
FileSaveAll,
FileClose,
FileExit,
EditPreferences,
DebugStart,
HelpAbout,
}
// actions
const Action ACTION_FILE_NEW = new Action(IDEActions.FileNew, "MENU_FILE_NEW"c, "document-new", KeyCode.KEY_N, KeyFlag.Control);
const Action ACTION_FILE_SAVE = (new Action(IDEActions.FileSave, "MENU_FILE_SAVE"c, "document-save", KeyCode.KEY_S, KeyFlag.Control)).disableByDefault();
const Action ACTION_FILE_SAVE_AS = (new Action(IDEActions.FileSaveAs, "MENU_FILE_SAVE_AS"c)).disableByDefault();
const Action ACTION_FILE_OPEN = new Action(IDEActions.FileOpen, "MENU_FILE_OPEN"c, "document-open", KeyCode.KEY_O, KeyFlag.Control);
const Action ACTION_FILE_EXIT = new Action(IDEActions.FileExit, "MENU_FILE_EXIT"c, "document-close"c, KeyCode.KEY_X, KeyFlag.Alt);
const Action ACTION_EDIT_COPY = (new Action(EditorActions.Copy, "MENU_EDIT_COPY"c, "edit-copy"c, KeyCode.KEY_C, KeyFlag.Control)).addAccelerator(KeyCode.INS, KeyFlag.Control).disableByDefault();
const Action ACTION_EDIT_PASTE = (new Action(EditorActions.Paste, "MENU_EDIT_PASTE"c, "edit-paste"c, KeyCode.KEY_V, KeyFlag.Control)).addAccelerator(KeyCode.INS, KeyFlag.Shift).disableByDefault();
const Action ACTION_EDIT_CUT = (new Action(EditorActions.Cut, "MENU_EDIT_CUT"c, "edit-cut"c, KeyCode.KEY_X, KeyFlag.Control)).addAccelerator(KeyCode.DEL, KeyFlag.Shift).disableByDefault();
const Action ACTION_EDIT_UNDO = (new Action(EditorActions.Undo, "MENU_EDIT_UNDO"c, "edit-undo"c, KeyCode.KEY_Z, KeyFlag.Control)).disableByDefault();
const Action ACTION_EDIT_REDO = (new Action(EditorActions.Redo, "MENU_EDIT_REDO"c, "edit-redo"c, KeyCode.KEY_Y, KeyFlag.Control)).addAccelerator(KeyCode.KEY_Z, KeyFlag.Control|KeyFlag.Shift).disableByDefault();
const Action ACTION_EDIT_INDENT = (new Action(EditorActions.Indent, "MENU_EDIT_INDENT"c, "edit-indent"c, KeyCode.TAB, 0)).addAccelerator(KeyCode.KEY_BRACKETCLOSE, KeyFlag.Control).disableByDefault();
const Action ACTION_EDIT_UNINDENT = (new Action(EditorActions.Unindent, "MENU_EDIT_UNINDENT"c, "edit-unindent", KeyCode.TAB, KeyFlag.Shift)).addAccelerator(KeyCode.KEY_BRACKETOPEN, KeyFlag.Control).disableByDefault();
const Action ACTION_EDIT_TOGGLE_LINE_COMMENT = (new Action(EditorActions.ToggleLineComment, "MENU_EDIT_TOGGLE_LINE_COMMENT"c, null, KeyCode.KEY_DIVIDE, KeyFlag.Control)).disableByDefault();
const Action ACTION_EDIT_TOGGLE_BLOCK_COMMENT = (new Action(EditorActions.ToggleBlockComment, "MENU_EDIT_TOGGLE_BLOCK_COMMENT"c, null, KeyCode.KEY_DIVIDE, KeyFlag.Control|KeyFlag.Shift)).disableByDefault();
const Action ACTION_EDIT_PREFERENCES = (new Action(IDEActions.EditPreferences, "MENU_EDIT_PREFERENCES"c, null)).disableByDefault();
const Action ACTION_DEBUG_START = new Action(IDEActions.DebugStart, "MENU_DEBUG_UPDATE_PREVIEW"c, "debug-run"c, KeyCode.F5, 0);
const Action ACTION_HELP_ABOUT = new Action(IDEActions.HelpAbout, "MENU_HELP_ABOUT"c);
/// DIDE source file editor
class DMLSourceEdit : SourceEdit {
this(string ID) {
super(ID);
MenuItem editPopupItem = new MenuItem(null);
editPopupItem.add(ACTION_EDIT_COPY, ACTION_EDIT_PASTE, ACTION_EDIT_CUT, ACTION_EDIT_UNDO, ACTION_EDIT_REDO, ACTION_EDIT_INDENT, ACTION_EDIT_UNINDENT, ACTION_EDIT_TOGGLE_LINE_COMMENT, ACTION_DEBUG_START);
popupMenu = editPopupItem;
content.syntaxSupport = new DMLSyntaxSupport("");
setTokenHightlightColor(TokenCategory.Comment, 0x008000); // green
setTokenHightlightColor(TokenCategory.Keyword, 0x0000FF); // blue
setTokenHightlightColor(TokenCategory.String, 0xa31515); // brown
setTokenHightlightColor(TokenCategory.Integer, 0xa315C0); //
setTokenHightlightColor(TokenCategory.Float, 0xa315C0); //
setTokenHightlightColor(TokenCategory.Error, 0xFF0000); // red
setTokenHightlightColor(TokenCategory.Op, 0x503000);
setTokenHightlightColor(TokenCategory.Identifier_Class, 0x000080); // blue
}
this() {
this("DMLEDIT");
}
}
immutable dstring SAMPLE_SOURCE_CODE =
q{VerticalLayout {
id: vlayout
margins: Rect { left: 5; right: 3; top: 2; bottom: 4 }
padding: Rect { 5, 4, 3, 2 } // same as Rect { left: 5; top: 4; right: 3; bottom: 2 }
TextWidget {
/* this widget can be accessed via id myLabel1
e.g. w.childById!TextWidget("myLabel1")
*/
id: myLabel1
text: "Some text"; padding: 5
enabled: false
}
TextWidget {
id: myLabel2
text: "More text"; margins: 5
enabled: true
}
CheckBox{ id: cb1; text: "Some checkbox" }
HorizontalLayout {
RadioButton { id: rb1; text: "Radio Button 1" }
RadioButton { id: rb1; text: "Radio Button 2" }
}
}
};
class EditFrame : AppFrame {
MenuItem mainMenuItems;
override protected void init() {
_appName = "DMLEdit";
super.init();
updatePreview();
}
/// create main menu
override protected MainMenu createMainMenu() {
mainMenuItems = new MenuItem();
MenuItem fileItem = new MenuItem(new Action(1, "MENU_FILE"));
fileItem.add(ACTION_FILE_NEW, ACTION_FILE_OPEN,
ACTION_FILE_EXIT);
mainMenuItems.add(fileItem);
MenuItem editItem = new MenuItem(new Action(2, "MENU_EDIT"));
editItem.add(ACTION_EDIT_COPY, ACTION_EDIT_PASTE,
ACTION_EDIT_CUT, ACTION_EDIT_UNDO, ACTION_EDIT_REDO,
ACTION_EDIT_INDENT, ACTION_EDIT_UNINDENT, ACTION_EDIT_TOGGLE_LINE_COMMENT, ACTION_EDIT_TOGGLE_BLOCK_COMMENT, ACTION_DEBUG_START);
editItem.add(ACTION_EDIT_PREFERENCES);
mainMenuItems.add(editItem);
MainMenu mainMenu = new MainMenu(mainMenuItems);
return mainMenu;
}
/// create app toolbars
override protected ToolBarHost createToolbars() {
ToolBarHost res = new ToolBarHost();
ToolBar tb;
tb = res.getOrAddToolbar("Standard");
tb.addButtons(ACTION_FILE_NEW, ACTION_FILE_OPEN, ACTION_FILE_SAVE, ACTION_SEPARATOR, ACTION_DEBUG_START);
tb = res.getOrAddToolbar("Edit");
tb.addButtons(ACTION_EDIT_COPY, ACTION_EDIT_PASTE, ACTION_EDIT_CUT, ACTION_SEPARATOR,
ACTION_EDIT_UNDO, ACTION_EDIT_REDO, ACTION_EDIT_INDENT, ACTION_EDIT_UNINDENT);
return res;
}
string _filename;
void openSourceFile(string filename) {
import std.file;
// TODO
if (exists(filename)) {
_filename = filename;
window.windowCaption = toUTF32(filename);
_editor.load(filename);
updatePreview();
}
}
void saveSourceFile(string filename) {
if (filename.length == 0)
filename = _filename;
import std.file;
_filename = filename;
window.windowCaption = toUTF32(filename);
_editor.save(filename);
}
bool onCanClose() {
// todo
return true;
}
FileDialog createFileDialog(UIString caption, bool fileMustExist = true) {
uint flags = DialogFlag.Modal | DialogFlag.Resizable;
if (fileMustExist)
flags |= FileDialogFlag.FileMustExist;
FileDialog dlg = new FileDialog(caption, window, null, flags);
dlg.filetypeIcons[".d"] = "text-dml";
return dlg;
}
void saveAs() {
}
/// override to handle specific actions
override bool handleAction(const Action a) {
if (a) {
switch (a.id) {
case IDEActions.FileExit:
if (onCanClose())
window.close();
return true;
case IDEActions.HelpAbout:
window.showMessageBox(UIString("About DlangUI ML Editor"d),
UIString("DLangIDE\n(C) Vadim Lopatin, 2015\nhttp://github.com/buggins/dlangui\nSimple editor for DML code"d));
return true;
case IDEActions.FileNew:
UIString caption;
caption = "Create new DML file"d;
FileDialog dlg = createFileDialog(caption, false);
dlg.addFilter(FileFilterEntry(UIString("DML files"d), "*.dml"));
dlg.addFilter(FileFilterEntry(UIString("All files"d), "*.*"));
dlg.dialogResult = delegate(Dialog dlg, const Action result) {
if (result.id == ACTION_OPEN.id) {
string filename = result.stringParam;
_editor.text=""d;
saveSourceFile(filename);
}
};
dlg.show();
return true;
case IDEActions.FileSave:
if (_filename.length) {
saveSourceFile(_filename);
return true;
}
UIString caption;
caption = "Save DML File as"d;
FileDialog dlg = createFileDialog(caption, false);
dlg.addFilter(FileFilterEntry(UIString("DML files"d), "*.dml"));
dlg.addFilter(FileFilterEntry(UIString("All files"d), "*.*"));
dlg.dialogResult = delegate(Dialog dlg, const Action result) {
if (result.id == ACTION_OPEN.id) {
string filename = result.stringParam;
saveSourceFile(filename);
}
};
dlg.show();
return true;
case IDEActions.FileOpen:
UIString caption;
caption = "Open DML File"d;
FileDialog dlg = createFileDialog(caption);
dlg.addFilter(FileFilterEntry(UIString("DML files"d), "*.dml"));
dlg.addFilter(FileFilterEntry(UIString("All files"d), "*.*"));
dlg.dialogResult = delegate(Dialog dlg, const Action result) {
if (result.id == ACTION_OPEN.id) {
string filename = result.stringParam;
openSourceFile(filename);
}
};
dlg.show();
return true;
case IDEActions.DebugStart:
updatePreview();
return true;
case IDEActions.EditPreferences:
//showPreferences();
return true;
default:
return super.handleAction(a);
}
}
return false;
}
/// override to handle specific actions state (e.g. change enabled state for supported actions)
override bool handleActionStateRequest(const Action a) {
switch (a.id) {
case IDEActions.HelpAbout:
case IDEActions.FileNew:
case IDEActions.FileSave:
case IDEActions.FileOpen:
case IDEActions.DebugStart:
case IDEActions.EditPreferences:
a.state = ACTION_STATE_ENABLED;
return true;
default:
return super.handleActionStateRequest(a);
}
}
void updatePreview() {
dstring dsource = _editor.text;
string source = toUTF8(dsource);
try {
Widget w = parseML(source);
if (statusLine)
statusLine.setStatusText("No errors"d);
if (_fillHorizontal)
w.layoutWidth = FILL_PARENT;
if (_fillVertical)
w.layoutHeight = FILL_PARENT;
if (_highlightBackground)
w.backgroundColor = 0xC0C0C0C0;
_preview.contentWidget = w;
} catch (ParserException e) {
if (statusLine)
statusLine.setStatusText(toUTF32("ERROR: " ~ e.msg));
_editor.setCaretPos(e.line, e.pos);
string msg = "\n" ~ e.msg ~ "\n";
msg = replaceFirst(msg, " near `", "\nnear `");
TextWidget w = new MultilineTextWidget(null, toUTF32(msg));
w.padding = 10;
w.margins = 10;
w.maxLines = 10;
w.backgroundColor = 0xC0FF8080;
_preview.contentWidget = w;
}
}
protected bool _fillHorizontal;
protected bool _fillVertical;
protected bool _highlightBackground;
protected DMLSourceEdit _editor;
protected ScrollWidget _preview;
/// create app body widget
override protected Widget createBody() {
VerticalLayout bodyWidget = new VerticalLayout();
bodyWidget.layoutWidth = FILL_PARENT;
bodyWidget.layoutHeight = FILL_PARENT;
HorizontalLayout hlayout = new HorizontalLayout();
hlayout.layoutWidth = FILL_PARENT;
hlayout.layoutHeight = FILL_PARENT;
_editor = new DMLSourceEdit();
hlayout.addChild(_editor);
_editor.text = SAMPLE_SOURCE_CODE;
VerticalLayout previewLayout = new VerticalLayout();
previewLayout.layoutWidth = makePercentSize(50);
previewLayout.layoutHeight = FILL_PARENT;
auto previewControls = new HorizontalLayout();
auto cbFillHorizontal = new CheckBox(null, "Fill Horizontal"d);
auto cbFillVertical = new CheckBox(null, "Fill Vertical"d);
auto cbHighlightBackground = new CheckBox(null, "Background"d);
cbFillHorizontal.checkChange = delegate(Widget source, bool checked) {
_fillHorizontal = checked;
updatePreview();
return true;
};
cbFillVertical.checkChange = delegate(Widget source, bool checked) {
_fillVertical = checked;
updatePreview();
return true;
};
cbHighlightBackground.checkChange = delegate(Widget source, bool checked) {
_highlightBackground = checked;
updatePreview();
return true;
};
previewControls.addChild(cbFillHorizontal);
previewControls.addChild(cbFillVertical);
previewControls.addChild(cbHighlightBackground);
_preview = new ScrollWidget();
_preview.layoutWidth = FILL_PARENT;
_preview.layoutHeight = FILL_PARENT;
_preview.backgroundImageId = "tx_fabric.tiled";
previewLayout.addChild(previewControls);
previewLayout.addChild(_preview);
hlayout.addChild(previewLayout);
bodyWidget.addChild(hlayout);
return bodyWidget;
}
}
/// entry point for dlangui based application
extern (C) int UIAppMain(string[] args) {
// embed non-standard resources listed in views/resources.list into executable
embeddedResourceList.addResources(embedResourcesFromList!("resources.list")());
/// set font gamma (1.0 is neutral, < 1.0 makes glyphs lighter, >1.0 makes glyphs bolder)
FontManager.fontGamma = 0.8;
FontManager.hintingMode = HintingMode.Normal;
// create window
Window window = Platform.instance.createWindow("DlangUI ML editor"d, null, WindowFlag.Resizable, 700, 470);
// create some widget to show in window
window.windowIcon = drawableCache.getImage("dlangui-logo1");
// create some widget to show in window
window.mainWidget = new EditFrame();
// show window
window.show();
// run message loop
return Platform.instance.enterMessageLoop();
}