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feat: add left panel collapse control

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This commit is contained in:
Federico Jaramillo Martinez
2026-05-28 11:18:04 +02:00
parent c5401e7d3c
commit 5737b228b8
3 changed files with 62 additions and 17 deletions
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.changeset/left-panel-collapse.md
+5
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@@ -0,0 +1,5 @@
---
"@jmfederico/pi-web": patch
---
Add a collapse control for the left navigation panel in wide and two-panel layouts.
src/client/src/components/PiWebApp.ts
+36 -4
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@@ -56,6 +56,7 @@ const VIEWPORT_POSITION_REPAIR_DELAY_MS = 250;
@customElement("pi-web-app")
export class PiWebApp extends LitElement {
@state() private state: AppState = initialAppState();
@state() private navigationPanelCollapsed = false;
@state() private workspacePanelCollapsed = false;
@query("chat-view") private chatView?: ChatView;
@query("prompt-editor") private promptEditor?: PromptEditor;
@@ -581,6 +582,32 @@ export class PiWebApp extends LitElement {
`;
}
private toggleNavigationPanelCollapse(): void {
this.navigationPanelCollapsed = !this.navigationPanelCollapsed;
}
private renderNavigationPanelEdgeControl() {
const collapsed = this.navigationPanelCollapsed;
const label = collapsed ? "Expand navigation panel" : "Collapse navigation panel";
return html`
<div class="navigation-panel-edge">
<button
type="button"
class="navigation-panel-edge-button"
title=${label}
aria-label=${label}
aria-controls="navigation-panel"
aria-expanded=${String(!collapsed)}
@click=${() => { this.toggleNavigationPanelCollapse(); }}
>${this.renderNavigationPanelEdgeIcon(collapsed)}</button>
</div>
`;
}
private renderNavigationPanelEdgeIcon(collapsed: boolean) {
return this.renderPanelEdgeIcon(collapsed ? "right" : "left", "navigation-panel-edge-icon");
}
private toggleWorkspacePanelCollapse(): void {
this.workspacePanelCollapsed = !this.workspacePanelCollapsed;
}
@@ -604,8 +631,12 @@ export class PiWebApp extends LitElement {
}
private renderWorkspacePanelEdgeIcon(collapsed: boolean) {
const path = collapsed ? "M15 18l-6-6 6-6" : "M9 18l6-6-6-6";
return html`<svg class="workspace-panel-edge-icon" viewBox="0 0 24 24" aria-hidden="true" focusable="false"><path d=${path}/></svg>`;
return this.renderPanelEdgeIcon(collapsed ? "left" : "right", "workspace-panel-edge-icon");
}
private renderPanelEdgeIcon(direction: "left" | "right", className: string) {
const path = direction === "left" ? "M15 18l-6-6 6-6" : "M9 18l6-6-6-6";
return html`<svg class=${className} viewBox="0 0 24 24" aria-hidden="true" focusable="false"><path d=${path}/></svg>`;
}
private renderNavigationPanel(autoSwitchToChat: boolean) {
@@ -1286,8 +1317,9 @@ export class PiWebApp extends LitElement {
override render() {
const state = this.state;
return html`
<div class=${`shell ${state.mainView === "navigation" ? "navigation-view" : state.mainView === "chat" ? "chat-view" : "workspace-view"}${this.workspacePanelCollapsed ? " workspace-panel-collapsed" : ""}`}>
<aside>${this.isMobileNavigationLayout ? null : this.renderNavigationPanel(false)}</aside>
<div class=${`shell ${state.mainView === "navigation" ? "navigation-view" : state.mainView === "chat" ? "chat-view" : "workspace-view"}${this.navigationPanelCollapsed ? " navigation-panel-collapsed" : ""}${this.workspacePanelCollapsed ? " workspace-panel-collapsed" : ""}`}>
<aside id="navigation-panel">${this.isMobileNavigationLayout ? null : this.renderNavigationPanel(false)}</aside>
${this.renderNavigationPanelEdgeControl()}
<main class=${state.mainView === "chat" ? "chat-view" : state.mainView === "navigation" ? "navigation-view" : "workspace-view"}>
${this.renderContextBar()}
<div class=${this.mobileTabsFrameClass()}>
src/client/src/components/shared.ts
+21 -13
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@@ -51,13 +51,13 @@ export interface CompletionItem {
export const appStyles = css`
:host { position: fixed; top: 0; right: 0; left: 0; display: block; height: 100dvh; box-sizing: border-box; overflow: hidden; padding: env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left); color: var(--pi-text); background: var(--pi-bg); font: 14px system-ui, sans-serif; }
.shell { display: grid; grid-template-columns: 340px minmax(420px, 1fr) 1px minmax(360px, 42vw); height: 100%; min-height: 0; }
aside { grid-column: 1; display: flex; flex-direction: column; min-height: 0; border-right: 1px solid var(--pi-border); overflow: hidden; }
.shell { --navigation-panel-width: 340px; --workspace-panel-width: minmax(360px, 42vw); display: grid; grid-template-columns: var(--navigation-panel-width) 1px minmax(420px, 1fr) 1px var(--workspace-panel-width); height: 100%; min-height: 0; }
aside { grid-column: 1; display: flex; flex-direction: column; min-height: 0; overflow: hidden; }
header { flex: 0 0 auto; display: flex; align-items: center; justify-content: space-between; gap: 8px; padding: 12px; border-bottom: 1px solid var(--pi-border); }
.header-actions { display: flex; align-items: center; gap: 8px; }
project-list, workspace-list { flex: 0 0 auto; max-height: 26%; overflow: auto; border-bottom: 1px solid var(--pi-border-muted); }
session-list { flex: 1 1 auto; min-height: 0; overflow: auto; }
main { grid-column: 2; display: flex; flex-direction: column; min-width: 0; min-height: 0; }
main { grid-column: 3; display: flex; flex-direction: column; min-width: 0; min-height: 0; }
.context-bar { position: relative; flex: 0 0 auto; min-width: 0; display: none; align-items: center; gap: 0; padding: 6px 0; border-bottom: 1px solid var(--pi-border-muted); background: var(--pi-bg); }
.context-bar::before, .context-bar::after { content: ""; position: absolute; top: 0; bottom: 0; z-index: 2; width: 20px; opacity: 0; pointer-events: none; transition: opacity .15s ease; }
.context-bar::before { left: 0; background: linear-gradient(90deg, color-mix(in srgb, var(--pi-shadow-strong) 55%, transparent) 0%, transparent 100%); }
@@ -93,23 +93,31 @@ export const appStyles = css`
.mobile-navigation-tab, .mobile-navigation-panel { display: none; }
.mobile-tabs button.selected { border-color: var(--pi-accent); background: var(--pi-selection-bg); }
.tab-badge { display: inline-block; min-width: 14px; margin-left: 4px; border: 1px solid var(--pi-success-border); border-radius: 999px; background: var(--pi-success-surface); color: var(--pi-success); padding: 0 5px; font-size: 11px; line-height: 16px; text-align: center; }
.workspace-panel-edge { grid-column: 3; min-width: 0; min-height: 0; display: flex; align-items: center; justify-content: center; overflow: visible; background: var(--pi-border-muted); z-index: 2; }
.workspace-panel-edge-button { position: relative; z-index: 1; box-sizing: border-box; display: grid; place-items: center; width: 18px; height: 48px; padding: 0; border: 1px solid var(--pi-border-muted); border-radius: 999px; background: var(--pi-bg); color: var(--pi-muted); opacity: .75; cursor: pointer; }
.workspace-panel-edge-button:hover, .workspace-panel-edge-button:focus-visible { color: var(--pi-text); background: var(--pi-surface-hover); opacity: 1; }
.navigation-panel-edge, .workspace-panel-edge { min-width: 0; min-height: 0; display: flex; align-items: center; justify-content: center; overflow: visible; background: var(--pi-border-muted); z-index: 2; }
.navigation-panel-edge { grid-column: 2; }
.workspace-panel-edge { grid-column: 4; }
.navigation-panel-edge-button, .workspace-panel-edge-button { position: relative; z-index: 1; box-sizing: border-box; display: grid; place-items: center; width: 18px; height: 48px; padding: 0; border: 1px solid var(--pi-border-muted); border-radius: 999px; background: var(--pi-bg); color: var(--pi-muted); opacity: .75; cursor: pointer; }
.navigation-panel-edge-button:hover, .navigation-panel-edge-button:focus-visible, .workspace-panel-edge-button:hover, .workspace-panel-edge-button:focus-visible { color: var(--pi-text); background: var(--pi-surface-hover); opacity: 1; }
.shell.navigation-panel-collapsed .navigation-panel-edge-button { transform: translateX(calc(50% - .5px)); }
.shell.workspace-panel-collapsed .workspace-panel-edge-button { transform: translateX(calc(-50% + .5px)); }
.workspace-panel-edge-icon { width: 12px; height: 12px; fill: none; stroke: currentColor; stroke-width: 2.2; stroke-linecap: round; stroke-linejoin: round; pointer-events: none; }
workspace-panel { grid-column: 4; min-width: 0; min-height: 0; overflow: hidden; }
.navigation-panel-edge-icon, .workspace-panel-edge-icon { width: 12px; height: 12px; fill: none; stroke: currentColor; stroke-width: 2.2; stroke-linecap: round; stroke-linejoin: round; pointer-events: none; }
workspace-panel { grid-column: 5; min-width: 0; min-height: 0; overflow: hidden; }
@media (min-width: 1181px) {
.shell.workspace-panel-collapsed { grid-template-columns: 340px minmax(420px, 1fr) 1px; }
.shell.navigation-panel-collapsed { --navigation-panel-width: 0px; }
.shell.navigation-panel-collapsed > aside { display: none; }
.shell.workspace-panel-collapsed { --workspace-panel-width: 0px; }
.shell.workspace-panel-collapsed > workspace-panel { display: none; }
}
@media (max-width: 1180px) {
.shell { grid-template-columns: 340px minmax(0, 1fr); grid-template-rows: auto minmax(0, 1fr); }
.shell { grid-template-columns: var(--navigation-panel-width) 1px minmax(0, 1fr); grid-template-rows: auto minmax(0, 1fr); }
.shell.navigation-panel-collapsed { --navigation-panel-width: 0px; }
.shell.navigation-panel-collapsed > aside { display: none; }
aside { grid-row: 1 / 3; }
main { grid-column: 2; grid-row: 1 / 3; }
.navigation-panel-edge { grid-row: 1 / 3; }
main { grid-column: 3; grid-row: 1 / 3; }
.mobile-tabs-frame { display: flex; }
.shell.workspace-view main { grid-row: 1; min-height: auto; }
.shell.workspace-view > workspace-panel { grid-column: 2; grid-row: 2; display: flex; border-left: 0; }
.shell.workspace-view > workspace-panel { grid-column: 3; grid-row: 2; display: flex; border-left: 0; }
.shell:not(.workspace-view) > workspace-panel { display: none; }
.workspace-panel-edge { display: none; }
main.workspace-view chat-view, main.workspace-view prompt-editor, main.workspace-view status-bar,
@@ -118,7 +126,7 @@ export const appStyles = css`
}
@media (max-width: 760px) {
.shell { grid-template-columns: minmax(0, 1fr); }
aside { display: none; }
aside, .navigation-panel-edge { display: none; }
main, .shell.workspace-view > workspace-panel { grid-column: 1; }
.context-bar { display: flex; }
.mobile-navigation-tab { display: block; }