From af3dc5c4668bf83e30277166958c505ec4f7a9f4 Mon Sep 17 00:00:00 2001
From: Philipp Kunz <code@philkunz.com>
Date: Fri, 25 Apr 2025 14:27:51 +0000
Subject: [PATCH] feat(dees-pagination): Add new pagination component to the
 library along with its demo and integration in the main export.

---
 changelog.md                            |   7 ++
 ts_web/00_commitinfo_data.ts            |   2 +-
 ts_web/elements/dees-pagination.demo.ts |  28 +++++
 ts_web/elements/dees-pagination.ts      | 133 ++++++++++++++++++++++++
 ts_web/elements/index.ts                |   1 +
 5 files changed, 170 insertions(+), 1 deletion(-)
 create mode 100644 ts_web/elements/dees-pagination.demo.ts
 create mode 100644 ts_web/elements/dees-pagination.ts

diff --git a/changelog.md b/changelog.md
index f617c63..703d63b 100644
--- a/changelog.md
+++ b/changelog.md
@@ -1,5 +1,12 @@
 # Changelog
 
+## 2025-04-25 - 1.8.0 - feat(dees-pagination)
+Add new pagination component to the library along with its demo and integration in the main export.
+
+- Introduced dees-pagination component with support for various page range scenarios.
+- Created demo file to showcase pagination with both small and large sets of pages.
+- Updated the module's index to export the new pagination component.
+
 ## 2025-04-22 - 1.7.0 - feat(dees-searchbar)
 Add dees-searchbar component with live search and filter demo
 
diff --git a/ts_web/00_commitinfo_data.ts b/ts_web/00_commitinfo_data.ts
index d833764..bff0718 100644
--- a/ts_web/00_commitinfo_data.ts
+++ b/ts_web/00_commitinfo_data.ts
@@ -3,6 +3,6 @@
  */
 export const commitinfo = {
   name: '@design.estate/dees-catalog',
-  version: '1.7.0',
+  version: '1.8.0',
   description: 'A comprehensive library that provides dynamic web components for building sophisticated and modern web applications using JavaScript and TypeScript.'
 }
diff --git a/ts_web/elements/dees-pagination.demo.ts b/ts_web/elements/dees-pagination.demo.ts
new file mode 100644
index 0000000..b860434
--- /dev/null
+++ b/ts_web/elements/dees-pagination.demo.ts
@@ -0,0 +1,28 @@
+import { html } from '@design.estate/dees-element';
+
+/**
+ * Demo for dees-pagination component
+ */
+export const demoFunc = () => html`
+  <div style="display: flex; align-items: center; gap: 16px;">
+    <!-- Small set of pages -->
+    <div style="display: flex; flex-direction: column; gap: 4px;">
+      <span>5 pages, starting at 1:</span>
+      <dees-pagination
+        .total=${5}
+        .page=${1}
+        @page-change=${(e: CustomEvent) => console.log('Page changed to', e.detail.page)}
+      ></dees-pagination>
+    </div>
+
+    <!-- Larger set of pages -->
+    <div style="display: flex; flex-direction: column; gap: 4px;">
+      <span>15 pages, starting at 8:</span>
+      <dees-pagination
+        .total=${15}
+        .page=${8}
+        @page-change=${(e: CustomEvent) => console.log('Page changed to', e.detail.page)}
+      ></dees-pagination>
+    </div>
+  </div>
+`;
\ No newline at end of file
diff --git a/ts_web/elements/dees-pagination.ts b/ts_web/elements/dees-pagination.ts
new file mode 100644
index 0000000..60d20cf
--- /dev/null
+++ b/ts_web/elements/dees-pagination.ts
@@ -0,0 +1,133 @@
+import { customElement, html, DeesElement, property, css, cssManager, type TemplateResult } from '@design.estate/dees-element';
+import { demoFunc } from './dees-pagination.demo.js';
+
+declare global {
+  interface HTMLElementTagNameMap {
+    'dees-pagination': DeesPagination;
+  }
+}
+
+/**
+ * A simple pagination component.
+ * @fires page-change - Emitted when the page is changed. detail: { page: number }
+ */
+@customElement('dees-pagination')
+export class DeesPagination extends DeesElement {
+  public static demo = demoFunc;
+  /** Current page (1-based) */
+  @property({ type: Number, reflect: true })
+  public page = 1;
+
+  /** Total number of pages */
+  @property({ type: Number, reflect: true })
+  public total = 1;
+
+  public static styles = [
+    cssManager.defaultStyles,
+    css`
+      :host {
+        display: inline-flex;
+        align-items: center;
+      }
+      button {
+        background: none;
+        border: none;
+        margin: 0 2px;
+        padding: 6px 10px;
+        font-size: 14px;
+        cursor: pointer;
+        color: ${cssManager.bdTheme('#333', '#ccc')};
+        border-radius: 3px;
+        transition: background 0.2s;
+      }
+      button:hover:not(:disabled) {
+        background: ${cssManager.bdTheme('#eee', '#444')};
+      }
+      button:disabled {
+        cursor: default;
+        color: ${cssManager.bdTheme('#aaa', '#666')};
+      }
+      button.current {
+        background: #0050b9;
+        color: #fff;
+        cursor: default;
+      }
+      span.ellipsis {
+        margin: 0 4px;
+        color: ${cssManager.bdTheme('#333', '#ccc')};
+      }
+    `,
+  ];
+
+  private get pages(): (number | string)[] {
+    const pages: (number | string)[] = [];
+    const total = this.total;
+    const current = this.page;
+    if (total <= 7) {
+      for (let i = 1; i <= total; i++) {
+        pages.push(i);
+      }
+    } else {
+      pages.push(1);
+      if (current > 4) {
+        pages.push('...');
+      }
+      const start = Math.max(2, current - 2);
+      const end = Math.min(total - 1, current + 2);
+      for (let i = start; i <= end; i++) {
+        pages.push(i);
+      }
+      if (current < total - 3) {
+        pages.push('...');
+      }
+      pages.push(total);
+    }
+    return pages;
+  }
+
+  public render(): TemplateResult {
+    return html`
+      <button
+        @click=${() => this.changePage(this.page - 1)}
+        ?disabled=${this.page <= 1}
+        aria-label="Previous page"
+      >
+        ‹
+      </button>
+      ${this.pages.map((p) =>
+        p === '...'
+          ? html`<span class="ellipsis">…</span>`
+          : html`
+              <button
+                class="${p === this.page ? 'current' : ''}"
+                @click=${() => this.changePage(p as number)}
+                ?disabled=${p === this.page}
+                aria-label="Page ${p}"
+              >
+                ${p}
+              </button>
+            `
+      )}
+      <button
+        @click=${() => this.changePage(this.page + 1)}
+        ?disabled=${this.page >= this.total}
+        aria-label="Next page"
+      >
+        ›
+      </button>
+    `;
+  }
+
+  private changePage(newPage: number) {
+    if (newPage < 1 || newPage > this.total || newPage === this.page) {
+      return;
+    }
+    this.page = newPage;
+    this.dispatchEvent(
+      new CustomEvent('page-change', {
+        detail: { page: this.page },
+        bubbles: true,
+      })
+    );
+  }
+}
\ No newline at end of file
diff --git a/ts_web/elements/index.ts b/ts_web/elements/index.ts
index 1555e53..dac170b 100644
--- a/ts_web/elements/index.ts
+++ b/ts_web/elements/index.ts
@@ -48,3 +48,4 @@ export * from './dees-toast.js';
 export * from './dees-updater.js';
 export * from './dees-windowcontrols.js';
 export * from './dees-windowlayer.js';
+export * from './dees-pagination.js';