Sign multiple PDF pages at the same time in the same location (#2008) (#2278)

* Sign multiple PDF pages at the same time in the same location (#2008)

* Modifying the functionality of how the signature is added to all pages (#2008)

* Adding the functionality to reverse the addition on all pages and implementing buttons to navigate to the first and last pages (#2008)

src/main/resources/static/css/sign.css

@@ -62,53 +62,54 @@ select#font-select option {
   background-color: rgba(52, 152, 219, 0.2);
   /* Darken background on hover */
 }
+
 .signature-grid {
-    display: grid;
-    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
-    gap: 1rem;
-    padding: 1rem;
-    max-height: 400px;
-    overflow-y: auto;
+  display: grid;
+  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
+  gap: 1rem;
+  padding: 1rem;
+  max-height: 400px;
+  overflow-y: auto;
 }
 
 .signature-list {
-    max-height: 400px;
-    overflow-y: auto;
+  max-height: 400px;
+  overflow-y: auto;
 }
 
 .signature-list-item {
-    padding: 0.75rem;
-    border: 1px solid #dee2e6;
-    border-radius: 4px;
-    margin-bottom: 0.5rem;
-    cursor: pointer;
-    transition: background-color 0.2s;
+  padding: 0.75rem;
+  border: 1px solid #dee2e6;
+  border-radius: 4px;
+  margin-bottom: 0.5rem;
+  cursor: pointer;
+  transition: background-color 0.2s;
 }
 
 .signature-list-item:hover {
-    background-color: #f8f9fa;
+  background-color: #f8f9fa;
 }
 
 .signature-list-info {
-    display: flex;
-    justify-content: space-between;
-    align-items: center;
+  display: flex;
+  justify-content: space-between;
+  align-items: center;
 }
 
 .signature-list-name {
-    font-weight: 500;
+  font-weight: 500;
 }
 
 .signature-list-details {
-    color: #6c757d;
-    font-size: 0.875rem;
+  color: #6c757d;
+  font-size: 0.875rem;
 }
 
 .signature-list-details small:not(:last-child) {
-    margin-right: 1rem;
+  margin-right: 1rem;
 }
 
 .view-toggle {
-    text-align: right;
-    padding: 0.5rem 1rem;
-}
+  text-align: right;
+  padding: 0.5rem 1rem;
+}

src/main/resources/static/js/draggable-utils.js

@@ -4,6 +4,7 @@ const DraggableUtils = {
   nextId: 0,
   pdfDoc: null,
   pageIndex: 0,
+  elementAllPages: [],
   documentsMap: new Map(),
   lastInteracted: null,
 
@@ -197,6 +198,68 @@ const DraggableUtils = {
   deleteAllDraggableCanvases() {
     this.boxDragContainer.querySelectorAll(".draggable-canvas").forEach((el) => el.remove());
   },
+  async addAllPagesDraggableCanvas(element) {
+    if (element) {
+      let currentPage = this.pageIndex
+      if (!this.elementAllPages.includes(element)) {
+        this.elementAllPages.push(element)
+        element.style.filter = 'sepia(1) hue-rotate(90deg) brightness(1.2)';
+        let newElement = {
+          "element": element,
+          "offsetWidth": element.width,
+          "offsetHeight": element.height
+        }
+
+        let pagesMap = this.documentsMap.get(this.pdfDoc);
+
+        if (!pagesMap) {
+          pagesMap = {};
+          this.documentsMap.set(this.pdfDoc, pagesMap);
+        }
+        let page = this.pageIndex
+
+        for (let pageIndex = 0; pageIndex < this.pdfDoc.numPages; pageIndex++) {
+
+          if (pagesMap[`${pageIndex}-offsetWidth`]) {
+            if (!pagesMap[pageIndex].includes(newElement)) {
+              pagesMap[pageIndex].push(newElement);
+            }
+          } else {
+            pagesMap[pageIndex] = []
+            pagesMap[pageIndex].push(newElement)
+            pagesMap[`${pageIndex}-offsetWidth`] = pagesMap[`${page}-offsetWidth`];
+            pagesMap[`${pageIndex}-offsetHeight`] = pagesMap[`${page}-offsetHeight`];
+          }
+          await this.goToPage(pageIndex)
+        }
+      } else {
+        const index = this.elementAllPages.indexOf(element);
+        if (index !== -1) {
+          this.elementAllPages.splice(index, 1);
+        }
+        element.style.filter = '';
+        let pagesMap = this.documentsMap.get(this.pdfDoc);
+
+        if (!pagesMap) {
+          pagesMap = {};
+          this.documentsMap.set(this.pdfDoc, pagesMap);
+        }
+        for (let pageIndex = 0; pageIndex < this.pdfDoc.numPages; pageIndex++) {
+          if (pagesMap[`${pageIndex}-offsetWidth`] && pageIndex != currentPage) {
+            const pageElements = pagesMap[pageIndex];
+            pageElements.forEach(elementPage => {
+              const elementIndex = pageElements.findIndex(elementPage => elementPage['element'].id === element.id);
+              if (elementIndex !== -1) {
+                pageElements.splice(elementIndex, 1);
+              }
+            });
+          }
+          await this.goToPage(pageIndex)
+        }
+      }
+      await this.goToPage(currentPage)
+    }
+  },
   deleteDraggableCanvas(element) {
     if (element) {
       //Check if deleted element is the last interacted
@@ -241,7 +304,7 @@ const DraggableUtils = {
     }
 
     const draggablesData = pagesMap[this.pageIndex];
-    if (draggablesData) {
+    if (draggablesData && Array.isArray(draggablesData)) {
       draggablesData.forEach((draggableData) => this.boxDragContainer.appendChild(draggableData.element));
     }
 
@@ -273,6 +336,13 @@ const DraggableUtils = {
 
     //return pdfCanvas.toDataURL();
   },
+
+  async goToPage(pageIndex) {
+    this.storePageContents();
+    await this.renderPage(this.pdfDoc, pageIndex);
+    this.loadPageContents();
+  },
+
   async incrementPage() {
     if (this.pageIndex < this.pdfDoc.numPages - 1) {
       this.storePageContents();
@@ -297,6 +367,7 @@ const DraggableUtils = {
     this.storePageContents();
 
     const pagesMap = this.documentsMap.get(this.pdfDoc);
+
     for (let pageIdx in pagesMap) {
       if (pageIdx.includes("offset")) {
         continue;
@@ -304,7 +375,8 @@ const DraggableUtils = {
       console.log(typeof pageIdx);
 
       const page = pdfDocModified.getPage(parseInt(pageIdx));
-      const draggablesData = pagesMap[pageIdx];
+      let draggablesData = pagesMap[pageIdx];
+
       const offsetWidth = pagesMap[pageIdx + "-offsetWidth"];
       const offsetHeight = pagesMap[pageIdx + "-offsetHeight"];
 
@@ -383,7 +455,6 @@ const DraggableUtils = {
         });
       }
     }
-
     this.loadPageContents();
     return pdfDocModified;
   },