331 lines
12 KiB
Rust
331 lines
12 KiB
Rust
/*
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* meli -
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*
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* Copyright Manos Pitsidianakis
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*
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* This file is part of meli.
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*
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* meli is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* meli is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with meli. If not, see <http://www.gnu.org/licenses/>.
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*/
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use super::*;
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#[derive(Clone, Copy, Debug, Default, Eq, PartialEq)]
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pub enum EditAttachmentCursor {
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AttachmentNo(usize),
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#[default]
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Buttons,
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}
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#[derive(Debug)]
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pub enum EditAttachmentMode {
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Overview,
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Edit {
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inner: Box<FormWidget<FormButtonActions>>,
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no: usize,
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},
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}
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#[derive(Debug)]
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pub struct EditAttachments {
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/// For shortcut setting retrieval.
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pub account_hash: Option<AccountHash>,
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pub mode: EditAttachmentMode,
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pub buttons: ButtonWidget<FormButtonActions>,
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pub cursor: EditAttachmentCursor,
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pub dirty: bool,
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pub id: ComponentId,
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}
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impl EditAttachments {
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pub fn new(account_hash: Option<AccountHash>) -> Self {
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//ButtonWidget::new(("Add".into(), FormButtonActions::Other("add")));
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let mut buttons = ButtonWidget::new(("Go Back".into(), FormButtonActions::Cancel));
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buttons.set_focus(true);
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buttons.set_cursor(1);
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Self {
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account_hash,
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mode: EditAttachmentMode::Overview,
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buttons,
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cursor: EditAttachmentCursor::Buttons,
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dirty: true,
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id: ComponentId::default(),
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}
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}
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}
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impl EditAttachmentsRefMut<'_, '_> {
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fn new_edit_widget(
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&self,
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no: usize,
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context: &Context,
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) -> Option<Box<FormWidget<FormButtonActions>>> {
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if no >= self.draft.attachments().len() {
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return None;
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}
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let filename = self.draft.attachments()[no].content_type().name();
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let mime_type = self.draft.attachments()[no].content_type();
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let shortcuts = self.shortcuts(context);
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let mut ret = FormWidget::new(
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("Save".into(), FormButtonActions::Accept),
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/* cursor_up_shortcut */
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shortcuts
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.get(Shortcuts::COMPOSING)
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.and_then(|c| c.get("scroll_up").cloned())
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.unwrap_or_else(|| context.settings.shortcuts.composing.scroll_up.clone()),
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/* cursor_down_shortcut */
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shortcuts
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.get(Shortcuts::COMPOSING)
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.and_then(|c| c.get("scroll_down").cloned())
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.unwrap_or_else(|| context.settings.shortcuts.composing.scroll_down.clone()),
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);
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ret.add_button(("Reset".into(), FormButtonActions::Reset));
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ret.add_button(("Cancel".into(), FormButtonActions::Cancel));
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ret.push(("Filename".into(), filename.unwrap_or_default().to_string()));
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ret.push(("Mime type".into(), mime_type.to_string()));
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Some(Box::new(ret))
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}
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}
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#[derive(Debug)]
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pub struct EditAttachmentsRefMut<'a, 'b> {
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pub inner: &'a mut EditAttachments,
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pub draft: &'b mut Draft,
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}
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impl std::fmt::Display for EditAttachmentsRefMut<'_, '_> {
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fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
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write!(f, "edit attachments")
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}
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}
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impl Component for EditAttachmentsRefMut<'_, '_> {
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fn draw(&mut self, grid: &mut CellBuffer, area: Area, context: &mut Context) {
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if let EditAttachmentMode::Edit {
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ref mut inner,
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no: _,
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} = self.inner.mode
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{
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inner.draw(grid, area, context);
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} else if self.is_dirty() {
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let attachments_no = self.draft.attachments().len();
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let theme_default = crate::conf::value(context, "theme_default");
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grid.clear_area(area, theme_default);
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if attachments_no == 0 {
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grid.write_string(
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"no attachments",
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theme_default.fg,
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theme_default.bg,
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theme_default.attrs,
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area,
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None,
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);
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} else {
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grid.write_string(
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&format!("{} attachments ", attachments_no),
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theme_default.fg,
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theme_default.bg,
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theme_default.attrs,
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area,
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None,
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);
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for (i, a) in self.draft.attachments().iter().enumerate() {
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let bg = if let EditAttachmentCursor::AttachmentNo(u) = self.inner.cursor {
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if u == i {
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crate::conf::value(context, "highlight").bg
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} else {
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theme_default.bg
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}
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} else {
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theme_default.bg
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};
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grid.write_string(
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&if let Some(name) = a.content_type().name() {
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format!(
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"[{}] \"{}\", {} {}",
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i,
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name,
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a.content_type(),
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melib::BytesDisplay(a.raw.len())
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)
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} else {
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format!(
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"[{}] {} {}",
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i,
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a.content_type(),
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melib::BytesDisplay(a.raw.len())
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)
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},
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theme_default.fg,
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bg,
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theme_default.attrs,
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area.skip(2, 2 + i),
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None,
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);
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}
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}
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self.inner.buttons.draw(
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grid,
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area.skip_rows(3 + self.draft.attachments().len()),
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context,
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);
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self.set_dirty(false);
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context.dirty_areas.push_back(area);
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}
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}
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fn process_event(&mut self, event: &mut UIEvent, context: &mut Context) -> bool {
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if let EditAttachmentMode::Edit {
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ref mut inner,
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ref no,
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} = self.inner.mode
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{
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if inner.process_event(event, context) {
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match inner.buttons_result() {
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Some(FormButtonActions::Accept) | Some(FormButtonActions::Cancel) => {
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self.inner.mode = EditAttachmentMode::Overview;
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}
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Some(FormButtonActions::Reset) => {
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let no = *no;
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if let Some(inner) = self.new_edit_widget(no, context) {
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self.inner.mode = EditAttachmentMode::Edit { inner, no };
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}
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}
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Some(_) | None => {}
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}
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return true;
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}
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} else {
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let shortcuts = self.shortcuts(context);
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match event {
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UIEvent::Input(ref key)
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if shortcut!(key == shortcuts[Shortcuts::COMPOSING]["scroll_up"]) =>
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{
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self.set_dirty(true);
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match self.inner.cursor {
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EditAttachmentCursor::AttachmentNo(ref mut n) => {
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if self.draft.attachments().is_empty() {
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self.inner.cursor = EditAttachmentCursor::Buttons;
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self.inner.buttons.set_focus(true);
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self.inner.buttons.process_event(event, context);
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return true;
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}
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*n = n.saturating_sub(1);
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}
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EditAttachmentCursor::Buttons => {
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if !self.inner.buttons.process_event(event, context) {
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self.inner.buttons.set_focus(false);
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if self.draft.attachments().is_empty() {
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return true;
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}
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self.inner.cursor = EditAttachmentCursor::AttachmentNo(
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self.draft.attachments().len() - 1,
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);
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}
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}
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}
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return true;
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}
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UIEvent::Input(ref key)
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if shortcut!(key == shortcuts[Shortcuts::COMPOSING]["scroll_down"]) =>
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{
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self.set_dirty(true);
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match self.inner.cursor {
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EditAttachmentCursor::AttachmentNo(ref mut n) => {
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if *n + 1 == self.draft.attachments().len() {
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self.inner.cursor = EditAttachmentCursor::Buttons;
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self.inner.buttons.set_focus(true);
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self.inner.buttons.process_event(event, context);
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return true;
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}
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*n += 1;
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}
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EditAttachmentCursor::Buttons => {
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self.inner.buttons.set_focus(true);
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self.inner.buttons.process_event(event, context);
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}
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}
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return true;
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}
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UIEvent::Input(Key::Char('\n')) => {
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match self.inner.cursor {
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EditAttachmentCursor::AttachmentNo(ref no) => {
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if let Some(inner) = self.new_edit_widget(*no, context) {
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self.inner.mode = EditAttachmentMode::Edit { inner, no: *no };
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}
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self.set_dirty(true);
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}
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EditAttachmentCursor::Buttons => {
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self.inner.buttons.process_event(event, context);
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}
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}
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return true;
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}
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_ => {
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if self.inner.cursor == EditAttachmentCursor::Buttons
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&& self.inner.buttons.process_event(event, context)
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{
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return true;
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}
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}
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}
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}
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false
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}
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fn is_dirty(&self) -> bool {
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self.inner.dirty
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|| self.inner.buttons.is_dirty()
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|| if let EditAttachmentMode::Edit { ref inner, no: _ } = self.inner.mode {
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inner.is_dirty()
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} else {
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false
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}
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}
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fn set_dirty(&mut self, value: bool) {
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self.inner.dirty = value;
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self.inner.buttons.set_dirty(value);
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if let EditAttachmentMode::Edit {
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ref mut inner,
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no: _,
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} = self.inner.mode
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{
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inner.set_dirty(value);
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}
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}
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fn kill(&mut self, _uuid: ComponentId, _context: &mut Context) {}
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fn shortcuts(&self, context: &Context) -> ShortcutMaps {
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let mut map = ShortcutMaps::default();
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let our_map: ShortcutMap = self
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.inner
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.account_hash
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.map(|acc| account_settings!(context[acc].shortcuts.composing).key_values())
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.unwrap_or_else(|| context.settings.shortcuts.composing.key_values());
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map.insert(Shortcuts::COMPOSING, our_map);
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map
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}
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fn id(&self) -> ComponentId {
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self.inner.id
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}
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}
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