Restructure the entire editor codebase to consistently match the message hierarchy

Closes #744

editor/src/messages/dialog/simple_dialogs/about_graphite_dialog.rs

@@ -0,0 +1,54 @@
+use crate::application::{commit_info_localized, release_series};
+use crate::messages::layout::utility_types::layout_widget::{Layout, LayoutGroup, PropertyHolder, Widget, WidgetCallback, WidgetHolder, WidgetLayout};
+use crate::messages::layout::utility_types::widgets::button_widgets::TextButton;
+use crate::messages::layout::utility_types::widgets::label_widgets::TextLabel;
+use crate::messages::prelude::*;
+
+/// A dialog for displaying information on [BuildMetadata] viewable via *Help* > *About Graphite* in the menu bar.
+pub struct AboutGraphiteDialog {
+	pub localized_commit_date: String,
+}
+
+impl PropertyHolder for AboutGraphiteDialog {
+	fn properties(&self) -> Layout {
+		let links = [
+			("Website", "https://graphite.rs"),
+			("Credits", "https://github.com/GraphiteEditor/Graphite/graphs/contributors"),
+			("License", "https://raw.githubusercontent.com/GraphiteEditor/Graphite/master/LICENSE.txt"),
+			("Third-Party Licenses", "/third-party-licenses.txt"),
+		];
+		let link_widgets = links
+			.into_iter()
+			.map(|(label, url)| {
+				WidgetHolder::new(Widget::TextButton(TextButton {
+					label: label.to_string(),
+					on_update: WidgetCallback::new(|_| FrontendMessage::TriggerVisitLink { url: url.to_string() }.into()),
+					..Default::default()
+				}))
+			})
+			.collect();
+		Layout::WidgetLayout(WidgetLayout::new(vec![
+			LayoutGroup::Row {
+				widgets: vec![WidgetHolder::new(Widget::TextLabel(TextLabel {
+					value: "Graphite".to_string(),
+					bold: true,
+					..Default::default()
+				}))],
+			},
+			LayoutGroup::Row {
+				widgets: vec![WidgetHolder::new(Widget::TextLabel(TextLabel {
+					value: release_series(),
+					..Default::default()
+				}))],
+			},
+			LayoutGroup::Row {
+				widgets: vec![WidgetHolder::new(Widget::TextLabel(TextLabel {
+					value: commit_info_localized(self.localized_commit_date.as_str()),
+					multiline: true,
+					..Default::default()
+				}))],
+			},
+			LayoutGroup::Row { widgets: link_widgets },
+		]))
+	}
+}

editor/src/messages/dialog/simple_dialogs/close_all_documents_dialog.rs

@@ -0,0 +1,49 @@
+use crate::messages::layout::utility_types::layout_widget::{Layout, LayoutGroup, PropertyHolder, Widget, WidgetCallback, WidgetHolder, WidgetLayout};
+use crate::messages::layout::utility_types::widgets::button_widgets::TextButton;
+use crate::messages::layout::utility_types::widgets::label_widgets::TextLabel;
+use crate::messages::prelude::*;
+
+/// A dialog for confirming the closing of all documents viewable via `file -> close all` in the menu bar.
+pub struct CloseAllDocumentsDialog;
+
+impl PropertyHolder for CloseAllDocumentsDialog {
+	fn properties(&self) -> Layout {
+		let button_widgets = vec![
+			WidgetHolder::new(Widget::TextButton(TextButton {
+				label: "Discard All".to_string(),
+				min_width: 96,
+				on_update: WidgetCallback::new(|_| {
+					DialogMessage::CloseDialogAndThen {
+						followups: vec![PortfolioMessage::CloseAllDocuments.into()],
+					}
+					.into()
+				}),
+				..Default::default()
+			})),
+			WidgetHolder::new(Widget::TextButton(TextButton {
+				label: "Cancel".to_string(),
+				min_width: 96,
+				on_update: WidgetCallback::new(|_| FrontendMessage::DisplayDialogDismiss.into()),
+				..Default::default()
+			})),
+		];
+
+		Layout::WidgetLayout(WidgetLayout::new(vec![
+			LayoutGroup::Row {
+				widgets: vec![WidgetHolder::new(Widget::TextLabel(TextLabel {
+					value: "Close all documents?".to_string(),
+					bold: true,
+					..Default::default()
+				}))],
+			},
+			LayoutGroup::Row {
+				widgets: vec![WidgetHolder::new(Widget::TextLabel(TextLabel {
+					value: "Unsaved work will be lost!".to_string(),
+					multiline: true,
+					..Default::default()
+				}))],
+			},
+			LayoutGroup::Row { widgets: button_widgets },
+		]))
+	}
+}

editor/src/messages/dialog/simple_dialogs/close_document_dialog.rs

@@ -0,0 +1,68 @@
+use crate::messages::broadcast::broadcast_event::BroadcastEvent;
+use crate::messages::layout::utility_types::layout_widget::{Layout, LayoutGroup, PropertyHolder, Widget, WidgetCallback, WidgetHolder, WidgetLayout};
+use crate::messages::layout::utility_types::widgets::button_widgets::TextButton;
+use crate::messages::layout::utility_types::widgets::label_widgets::TextLabel;
+use crate::messages::portfolio::document::DocumentMessage;
+use crate::messages::prelude::*;
+
+/// A dialog for confirming the closing a document with unsaved changes.
+pub struct CloseDocumentDialog {
+	pub document_name: String,
+	pub document_id: u64,
+}
+
+impl PropertyHolder for CloseDocumentDialog {
+	fn properties(&self) -> Layout {
+		let document_id = self.document_id;
+
+		let button_widgets = vec![
+			WidgetHolder::new(Widget::TextButton(TextButton {
+				label: "Save".to_string(),
+				min_width: 96,
+				emphasized: true,
+				on_update: WidgetCallback::new(|_| {
+					DialogMessage::CloseDialogAndThen {
+						followups: vec![DocumentMessage::SaveDocument.into()],
+					}
+					.into()
+				}),
+				..Default::default()
+			})),
+			WidgetHolder::new(Widget::TextButton(TextButton {
+				label: "Discard".to_string(),
+				min_width: 96,
+				on_update: WidgetCallback::new(move |_| {
+					DialogMessage::CloseDialogAndThen {
+						followups: vec![BroadcastEvent::ToolAbort.into(), PortfolioMessage::CloseDocument { document_id }.into()],
+					}
+					.into()
+				}),
+				..Default::default()
+			})),
+			WidgetHolder::new(Widget::TextButton(TextButton {
+				label: "Cancel".to_string(),
+				min_width: 96,
+				on_update: WidgetCallback::new(|_| FrontendMessage::DisplayDialogDismiss.into()),
+				..Default::default()
+			})),
+		];
+
+		Layout::WidgetLayout(WidgetLayout::new(vec![
+			LayoutGroup::Row {
+				widgets: vec![WidgetHolder::new(Widget::TextLabel(TextLabel {
+					value: "Save changes before closing?".to_string(),
+					bold: true,
+					..Default::default()
+				}))],
+			},
+			LayoutGroup::Row {
+				widgets: vec![WidgetHolder::new(Widget::TextLabel(TextLabel {
+					value: self.document_name.clone(),
+					multiline: true,
+					..Default::default()
+				}))],
+			},
+			LayoutGroup::Row { widgets: button_widgets },
+		]))
+	}
+}

editor/src/messages/dialog/simple_dialogs/coming_soon_dialog.rs

@@ -0,0 +1,55 @@
+use crate::messages::layout::utility_types::layout_widget::{Layout, LayoutGroup, PropertyHolder, Widget, WidgetCallback, WidgetHolder, WidgetLayout};
+use crate::messages::layout::utility_types::widgets::button_widgets::TextButton;
+use crate::messages::layout::utility_types::widgets::label_widgets::TextLabel;
+use crate::messages::prelude::*;
+
+use std::fmt::Write;
+
+/// A dialog to notify users of an unfinished issue, optionally with an issue number.
+pub struct ComingSoonDialog {
+	pub issue: Option<i32>,
+}
+
+impl PropertyHolder for ComingSoonDialog {
+	fn properties(&self) -> Layout {
+		let mut details = "This feature is not implemented yet".to_string();
+		let mut buttons = vec![WidgetHolder::new(Widget::TextButton(TextButton {
+			label: "OK".to_string(),
+			emphasized: true,
+			min_width: 96,
+			on_update: WidgetCallback::new(|_| FrontendMessage::DisplayDialogDismiss.into()),
+			..Default::default()
+		}))];
+		if let Some(issue) = self.issue {
+			let _ = write!(details, "— but you can help add it!\nSee issue #{issue} on GitHub.");
+			buttons.push(WidgetHolder::new(Widget::TextButton(TextButton {
+				label: format!("Issue #{issue}"),
+				min_width: 96,
+				on_update: WidgetCallback::new(move |_| {
+					FrontendMessage::TriggerVisitLink {
+						url: format!("https://github.com/GraphiteEditor/Graphite/issues/{issue}"),
+					}
+					.into()
+				}),
+				..Default::default()
+			})));
+		}
+		Layout::WidgetLayout(WidgetLayout::new(vec![
+			LayoutGroup::Row {
+				widgets: vec![WidgetHolder::new(Widget::TextLabel(TextLabel {
+					value: "Coming soon".to_string(),
+					bold: true,
+					..Default::default()
+				}))],
+			},
+			LayoutGroup::Row {
+				widgets: vec![WidgetHolder::new(Widget::TextLabel(TextLabel {
+					value: details,
+					multiline: true,
+					..Default::default()
+				}))],
+			},
+			LayoutGroup::Row { widgets: buttons },
+		]))
+	}
+}

editor/src/messages/dialog/simple_dialogs/error_dialog.rs

@@ -0,0 +1,40 @@
+use crate::messages::layout::utility_types::layout_widget::{Layout, LayoutGroup, PropertyHolder, Widget, WidgetCallback, WidgetHolder, WidgetLayout};
+use crate::messages::layout::utility_types::widgets::button_widgets::TextButton;
+use crate::messages::layout::utility_types::widgets::label_widgets::TextLabel;
+use crate::messages::prelude::*;
+
+/// A dialog to notify users of a non-fatal error.
+pub struct ErrorDialog {
+	pub title: String,
+	pub description: String,
+}
+
+impl PropertyHolder for ErrorDialog {
+	fn properties(&self) -> Layout {
+		Layout::WidgetLayout(WidgetLayout::new(vec![
+			LayoutGroup::Row {
+				widgets: vec![WidgetHolder::new(Widget::TextLabel(TextLabel {
+					value: self.title.clone(),
+					bold: true,
+					..Default::default()
+				}))],
+			},
+			LayoutGroup::Row {
+				widgets: vec![WidgetHolder::new(Widget::TextLabel(TextLabel {
+					value: self.description.clone(),
+					multiline: true,
+					..Default::default()
+				}))],
+			},
+			LayoutGroup::Row {
+				widgets: vec![WidgetHolder::new(Widget::TextButton(TextButton {
+					label: "OK".to_string(),
+					emphasized: true,
+					min_width: 96,
+					on_update: WidgetCallback::new(|_| FrontendMessage::DisplayDialogDismiss.into()),
+					..Default::default()
+				}))],
+			},
+		]))
+	}
+}

editor/src/messages/dialog/simple_dialogs/mod.rs

@@ -0,0 +1,11 @@
+mod about_graphite_dialog;
+mod close_all_documents_dialog;
+mod close_document_dialog;
+mod coming_soon_dialog;
+mod error_dialog;
+
+pub use about_graphite_dialog::AboutGraphiteDialog;
+pub use close_all_documents_dialog::CloseAllDocumentsDialog;
+pub use close_document_dialog::CloseDocumentDialog;
+pub use coming_soon_dialog::ComingSoonDialog;
+pub use error_dialog::ErrorDialog;