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// Copyright (C) 2024 Rubén Beltrán del Río
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License
// along with this program. If not, see https://map.tranquil.systems.
import SwiftUI
struct TemplatesPreferencesView: View {
@AppStorage("mapTemplates") private var templatesData: Data = UserPreferences.Defaults
.mapTemplates
@State private var selectedTemplate: Template?
@State private var showingAddSheet = false
@State private var newTemplateName = ""
@State private var showingHelpPopover = false
private var templates: Binding<[Template]> {
Binding(
get: {
if let decoded = try? JSONDecoder().decode([Template].self, from: templatesData) {
return decoded
}
return []
},
set: { newValue in
if let encoded = try? JSONEncoder().encode(newValue) {
templatesData = encoded
}
}
)
}
private var selectedTemplateContent: Binding<String> {
Binding(
get: {
guard let selected = selectedTemplate,
let template = templates.wrappedValue.first(where: { $0.id == selected.id })
else { return "" }
return template.content
},
set: { newContent in
guard let selected = selectedTemplate,
let index = templates.wrappedValue.firstIndex(where: { $0.id == selected.id })
else { return }
var currentTemplates = templates.wrappedValue
currentTemplates[index].content = newContent
templates.wrappedValue = currentTemplates
}
)
}
var body: some View {
VStack(alignment: .leading, spacing: Dimensions.Spacing.regular) {
HStack(spacing: Dimensions.Spacing.cozy) {
VStack(alignment: .leading, spacing: Dimensions.Spacing.regular) {
List(templates.wrappedValue) { template in
HStack(spacing: Dimensions.Spacing.coziest) {
if selectedTemplate?.id == template.id {
Button(action: { setDefaultTemplate(template) }) {
Image(systemName: template.isDefault ? "largecircle.fill.circle" : "circle")
.foregroundColor(Color.white)
}
.buttonStyle(.plain)
.keyboardShortcut("d", modifiers: [.command])
.help("preferences.templates.help.set_as_default")
} else {
Button(action: { setDefaultTemplate(template) }) {
Image(systemName: template.isDefault ? "largecircle.fill.circle" : "circle")
.foregroundColor(
template.isDefault
? Color.Theme.UI.accent : Color.Theme.UI.foreground.opacity(0.5))
}
.buttonStyle(.plain)
.help("preferences.templates.help.set_as_default")
}
Text(template.name)
.font(.Theme.Body.regular)
.kerning(Dimensions.Kerning.body)
.tag(template)
.foregroundColor(
selectedTemplate?.id == template.id ? Color.white : Color.Theme.UI.foreground
)
Spacer()
}
.padding(Dimensions.Spacing.cozy)
.background(selectedTemplate?.id == template.id ? Color.Theme.UI.accent : Color.clear)
.clipShape(RoundedRectangle(cornerRadius: Dimensions.Preferences.Sidebar.radius))
.padding(Dimensions.Spacing.coziest)
.listRowInsets(EdgeInsets())
.listRowSeparator(.hidden)
.onTapGesture {
selectedTemplate = template
}
}
.listStyle(.plain)
.border(Color.Theme.UI.foreground.opacity(0.2), width: 1)
HStack(spacing: Dimensions.Spacing.regular) {
Spacer()
Button(action: { showingHelpPopover = true }) {
Image(systemName: "questionmark.circle")
}
.buttonStyle(.borderless)
.popover(isPresented: $showingHelpPopover, arrowEdge: .bottom) {
Text("preferences.templates.explanation")
.font(.Theme.Body.regular)
.kerning(Dimensions.Kerning.body)
.lineSpacing(Dimensions.LineHeight.body - Dimensions.FontSize.body)
.frame(width: 300)
.padding(Dimensions.Spacing.regular)
}
HStack(spacing: Dimensions.Spacing.coziest) {
Button(action: { showingAddSheet = true }) {
Image(systemName: "plus")
.frame(width: 12, height: 12)
}
.keyboardShortcut("t", modifiers: [.command])
.help("preferences.templates.help.add")
Button(action: {
removeTemplate(selectedTemplate)
}) {
Image(systemName: "minus")
.frame(width: 12, height: 12)
}
.keyboardShortcut(.delete, modifiers: [.command])
.help("preferences.templates.help.remove \(selectedTemplate?.name ?? "")")
.disabled(selectedTemplate == nil)
}
}
}
.frame(width: Dimensions.Preferences.Sidebar.width)
Divider()
VStack(alignment: .leading, spacing: Dimensions.Spacing.regular) {
if selectedTemplate != nil {
MapTextEditor(text: selectedTemplateContent)
.border(Color.Theme.UI.foreground.opacity(0.2), width: 1)
} else {
VStack {
Spacer()
Text("preferences.templates.empty_view")
.foregroundColor(.secondary)
Spacer()
}
.frame(maxWidth: .infinity, maxHeight: .infinity)
}
}
.frame(maxWidth: .infinity, maxHeight: .infinity)
}
.onAppear {
// Set first template as selected if none is selected
if selectedTemplate == nil && !templates.wrappedValue.isEmpty {
selectedTemplate = templates.wrappedValue.first
}
}
.sheet(isPresented: $showingAddSheet) {
VStack(spacing: Dimensions.Spacing.indulgent) {
Text("preferences.templates.new_template.title")
.font(.Theme.Body.emphasized)
.kerning(Dimensions.Kerning.body)
TextField("preferences.templates.new_template.placeholder", text: $newTemplateName)
.textFieldStyle(.roundedBorder)
.font(.Theme.Body.regular)
.kerning(Dimensions.Kerning.body)
.onSubmit {
addTemplate()
}
HStack(spacing: Dimensions.Spacing.coziest) {
Spacer()
Button(
action: {
showingAddSheet = false
newTemplateName = ""
},
label: {
Text("preferences.templates.new_template.cancel")
.font(.Theme.Body.regular)
.kerning(Dimensions.Kerning.body)
}
)
.keyboardShortcut(.escape)
Button(
action: {
addTemplate()
},
label: {
Text("preferences.templates.new_template.add")
.font(.Theme.Body.regular)
.kerning(Dimensions.Kerning.body)
}
)
.keyboardShortcut(.return)
.disabled(newTemplateName.isEmpty)
}
}
.padding(Dimensions.Spacing.loose)
.frame(width: 300, height: 120)
}
}.padding(.vertical, Dimensions.Spacing.loose)
.padding(.horizontal, Dimensions.Spacing.indulgent)
}
private func addTemplate() {
let newTemplate = Template(
name: newTemplateName.isEmpty
? String(localized: "map_template.empty.title") : newTemplateName,
content: ""
)
var currentTemplates = templates.wrappedValue
currentTemplates.append(newTemplate)
templates.wrappedValue = currentTemplates
selectedTemplate = newTemplate
showingAddSheet = false
newTemplateName = ""
}
private func removeTemplate(_ template: Template?) {
guard let template else { return }
var currentTemplates = templates.wrappedValue
currentTemplates.removeAll { $0 == template }
templates.wrappedValue = currentTemplates
selectedTemplate = templates.wrappedValue.first
}
private func setDefaultTemplate(_ template: Template) {
// Direct assignment to binding - this will automatically save via @AppStorage
templates.wrappedValue = templates.wrappedValue.map { t in
var newTemplate = t
newTemplate.isDefault = (t.id == template.id)
return newTemplate
}
}
}
#Preview {
TemplatesPreferencesView()
}
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