From eeb727c79b8d9dee53582ae53f0e23f6899e29dd Mon Sep 17 00:00:00 2001
From: mhorsche <horsche@li.plus>
Date: Tue, 17 May 2022 18:17:28 +0200
Subject: [PATCH] Add CSV/TXT export according to #289

---
 InteractiveHtmlBom/web/ibom.html |  9 ++++-
 InteractiveHtmlBom/web/util.js   | 65 ++++++++++++++++++++++----------
 2 files changed, 54 insertions(+), 20 deletions(-)

diff --git a/InteractiveHtmlBom/web/ibom.html b/InteractiveHtmlBom/web/ibom.html
index e8477496..def0cc73 100644
--- a/InteractiveHtmlBom/web/ibom.html
+++ b/InteractiveHtmlBom/web/ibom.html
@@ -235,6 +235,13 @@
               <button class="savebtn" onclick="loadSettings()">Import</button>
             </div>
           </div>
+          <div class="menu-label">
+            <span style="margin-left: 5px;">Save bom table as</span>
+            <div class="flexbox">
+              <button class="savebtn" onclick="saveBomTable('csv')">csv</button>
+              <button class="savebtn" onclick="saveBomTable('txt')">txt</button>
+            </div>
+          </div>
         </div>
       </div>
     </div>
@@ -270,7 +277,7 @@
                oninput="updateFilter(this.value)">
         <div class="button-container hideonprint" style="float: left; margin: 0;">
           <button id="copy" title="Copy bom table to clipboard"
-               onclick="copyToClipboard()"></button>
+               onclick="saveBomTable()"></button>
         </div>
       </div>
       <div id="dbg"></div>
diff --git a/InteractiveHtmlBom/web/util.js b/InteractiveHtmlBom/web/util.js
index f9bcf072..344a4d37 100644
--- a/InteractiveHtmlBom/web/util.js
+++ b/InteractiveHtmlBom/web/util.js
@@ -66,53 +66,80 @@ function focusInputField(input) {
   input.select();
 }
 
-function copyToClipboard() {
+function saveBomTable(e) {
   var text = '';
   for (var node of bomhead.childNodes[0].childNodes) {
     if (node.firstChild) {
-      text = text + node.firstChild.nodeValue;
+      text += (e == 'csv' ? `"${node.firstChild.nodeValue}"` : node.firstChild.nodeValue);
     }
     if (node != bomhead.childNodes[0].lastChild) {
-      text += '\t';
+      text += (e == 'csv' ? ',' : '\t');
     }
   }
   text += '\n';
   for (var row of bombody.childNodes) {
     for (var cell of row.childNodes) {
+      let val = '';
       for (var node of cell.childNodes) {
         if (node.nodeName == "INPUT") {
           if (node.checked) {
-            text = text + '✓';
+            val += '✓';
           }
         } else if (node.nodeName == "MARK") {
-          text = text + node.firstChild.nodeValue;
+          val += node.firstChild.nodeValue;
         } else {
-          text = text + node.nodeValue;
+          val += node.nodeValue;
         }
       }
+      if (e == 'csv') {
+        val = val.replace(/\"/g, '\"\"'); // pair of double-quote characters
+        if (isNumeric(val)) {
+          val = +val;                     // use number
+        } else {
+          val = `"${val}"`;               // enclosed within double-quote
+        }
+      }
+      text += val;
       if (cell != row.lastChild) {
-        text += '\t';
+        text += (e == 'csv' ? ',' : '\t');
       }
     }
     text += '\n';
   }
-  var textArea = document.createElement("textarea");
-  textArea.classList.add('clipboard-temp');
-  textArea.value = text;
 
-  document.body.appendChild(textArea);
-  textArea.focus();
-  textArea.select();
+  if (e) {
+    // To file: csv or txt
+    var blob = new Blob([text], {
+      type: `text/${e}`
+    });
+    saveFile(`${pcbdata.metadata.title}.${e}`, blob);
+  } else {
+    // To clipboard
+    var textArea = document.createElement("textarea");
+    textArea.classList.add('clipboard-temp');
+    textArea.value = text;
 
-  try {
-    if (document.execCommand('copy')) {
-      console.log('Bom copied to clipboard.');
+    document.body.appendChild(textArea);
+    textArea.focus();
+    textArea.select();
+
+    try {
+      if (document.execCommand('copy')) {
+        console.log('Bom copied to clipboard.');
+      }
+    } catch (err) {
+      console.log('Can not copy to clipboard.');
     }
-  } catch (err) {
-    console.log('Can not copy to clipboard.');
+
+    document.body.removeChild(textArea);
   }
+}
 
-  document.body.removeChild(textArea);
+function isNumeric(str) {
+  /* https://stackoverflow.com/a/175787 */
+  if (typeof str != "string") return false // we only process strings!
+  return !isNaN(str) &&                    // use type coercion to parse the _entirety_ of the string (`parseFloat` alone does not do this)...
+    !isNaN(parseFloat(str))                // ...and ensure strings of whitespace fail
 }
 
 function removeGutterNode(node) {