file open dialog - continue development

examples/example1/src/main.d

@@ -16,6 +16,7 @@ Authors:   Vadim Lopatin, coolreader.org@gmail.com
 module main;
 
 import dlangui.all;
+import dlangui.dialogs.dialog;
 import dlangui.dialogs.filedlg;
 import std.stdio;
 import std.conv;
@@ -92,6 +93,17 @@ class AnimatedDrawable : Drawable {
 
 }
 
+class TextEditorWidget : VerticalLayout {
+	EditBox _edit;
+	this(string ID) {
+		super(ID);
+		_edit = new EditBox("editor");
+		_edit.layoutWidth = FILL_PARENT;
+		_edit.layoutHeight = FILL_PARENT;
+		addChild(_edit);
+	}
+}
+
 class SampleAnimationWidget : VerticalLayout {
 	AnimatedDrawable drawable;
 	DrawableRef drawableRef;
@@ -280,6 +292,9 @@ extern (C) int UIAppMain(string[] args) {
                     UIString caption;
                     caption = "Open Text File"d;
                     FileDialog dlg = new FileDialog(caption, window);
+					dlg.onDialogResult = delegate(Dialog dlg, Action result) {
+						//
+					};
                     dlg.show();
                     return true;
                 } else if (window.focusedWidget)

src/dlangui/dialogs/dialog.d

@@ -18,10 +18,13 @@ Authors:   Vadim Lopatin, coolreader.org@gmail.com
 module dlangui.dialogs.dialog;
 
 import dlangui.core.i18n;
+import dlangui.core.signals;
 import dlangui.widgets.layouts;
 import dlangui.widgets.controls;
 import dlangui.platforms.common.platform;
 
+import std.conv;
+
 /// dialog flag bits
 enum DialogFlag : uint {
     /// dialog is modal
@@ -30,6 +33,10 @@ enum DialogFlag : uint {
     Resizable = 2,
 }
 
+interface DialogResultHandler {
+	public void onDialogResult(Dialog dlg, Action result);
+}
+
 /// base for all dialogs
 class Dialog : VerticalLayout {
     protected Window _window;
@@ -37,6 +44,8 @@ class Dialog : VerticalLayout {
     protected UIString _caption;
     protected uint _flags;
 
+	Signal!DialogResultHandler onDialogResult;
+
     this(UIString caption, Window parentWindow = null, uint flags = DialogFlag.Modal) {
         super("dlg");
         _caption = caption;
@@ -61,8 +70,33 @@ class Dialog : VerticalLayout {
         return this;
 	}
 
+	/// create panel with buttons based on list of actions
+	Widget createButtonsPanel(const Action[] actions, int defaultActionIndex, int splitBeforeIndex) {
+		LinearLayout res = new HorizontalLayout("buttons");
+		res.layoutWidth(FILL_PARENT);
+		for (int i = 0; i < actions.length; i++) {
+			if (splitBeforeIndex == i)
+				res.addChild(new HSpacer());
+			const Action a = actions[i];
+			string id = "btn" ~ to!string(a.id);	
+			ImageTextButton btn = new ImageTextButton(id, a.iconId, a.label);
+			if (defaultActionIndex == i)
+				btn.setState(State.Default);
+			btn.onClickListener = delegate(Widget source) {
+				return handleAction(a);
+			};
+			res.addChild(btn);
+		}
+		return res;
+	}
+
+	/// override to implement creation of dialog controls
+	void init() {
+	}
+
     /// shows dialog
     void show() {
+		init();
         uint wflags = 0;
         if (_flags & DialogFlag.Modal)
             wflags |= WindowFlag.Modal;

src/dlangui/dialogs/filedlg.d

@@ -25,9 +25,11 @@ module dlangui.dialogs.filedlg;
 
 import dlangui.core.events;
 import dlangui.core.i18n;
+import dlangui.core.stdaction;
 import dlangui.widgets.controls;
 import dlangui.widgets.lists;
 import dlangui.widgets.popup;
+import dlangui.widgets.layouts;
 import dlangui.platforms.common.platform;
 import dlangui.dialogs.dialog;
 
@@ -48,4 +50,13 @@ class FileDialog : Dialog {
     this(UIString caption, Window parent, uint fileDialogFlags = DialogFlag.Modal | FileDialogFlag.FileMustExist) {
         super(caption, parent, fileDialogFlags);
     }
+	/// override to implement creation of dialog controls
+	override void init() {
+		layoutWidth(FILL_PARENT);
+		layoutWidth(FILL_PARENT);
+		LinearLayout content = new LinearLayout("dlgcontent");
+		content.layoutWidth(FILL_PARENT).layoutHeight(FILL_PARENT).minWidth(400).minHeight(300);
+		addChild(content);
+		addChild(createButtonsPanel([ACTION_OK, ACTION_CANCEL], 0, 1));
+	}
 }