add prompts: bookmark name input, zoom loading confirm. base implementation, needs...

[mandelbrot.git] / xulapp / chrome / mandelbrot / content / mandelbrot.js

diff --git a/xulapp/chrome/mandelbrot/content/mandelbrot.js b/xulapp/chrome/mandelbrot/content/mandelbrot.js
index bcc2df59110d7ea7adb4751ac8acc225a57c9041..d887b82e71f0d9dcd620d449d34ff28fdad48f31 100644 (file)
--- a/xulapp/chrome/mandelbrot/content/mandelbrot.js
+++ b/xulapp/chrome/mandelbrot/content/mandelbrot.js
@@ -148,6 +148,7 @@ function EndCalc() {
   let timeUsed = (endTime.getTime() - gStartTime.getTime()) / 1000;
   document.getElementById("statusLabel").value =
       document.getElementById("mbrotBundle").getFormattedString("statusTime", [timeUsed.toFixed(3)]);
   let timeUsed = (endTime.getTime() - gStartTime.getTime()) / 1000;
   document.getElementById("statusLabel").value =
       document.getElementById("mbrotBundle").getFormattedString("statusTime", [timeUsed.toFixed(3)]);

+  gStartTime = 0;

 }
 
 function complex(aReal, aImag) {
 }
 
 function complex(aReal, aImag) {


@@ -335,6 +336,32 @@ function drawPoint(context, img_x, img_y, C, iterMax, algorithm) {
 
 /***** pure UI functions *****/
 
 
 /***** pure UI functions *****/
 

+var zoomstart;
+
+function mouseevent(etype, event) {
+  let canvas = document.getElementById("mbrotImage");
+  switch (etype) {
+    case 'down':
+      if (event.button == 0)
+        // left button - start dragzoom
+        zoomstart = {x: event.clientX - canvas.offsetLeft,
+                     y: event.clientY - canvas.offsetTop};
+      break;
+    case 'up':
+      if (event.button == 0) {
+        var prompts = Components.classes["@mozilla.org/embedcomp/prompt-service;1"]
+                                .getService(Components.interfaces.nsIPromptService);
+        var ok = prompts.confirm(null, "XXX Zoom in",
+            zoomstart.x + ',' + zoomstart.y + '-' +
+            (event.clientX - canvas.offsetLeft) + ',' +
+            (event.clientY - canvas.offsetTop));
+        // ok is now true if OK was clicked, and false if cancel was clicked
+      }
+      zoomstart = undefined;
+    break;
+  }
+}
+

 function saveImage() {
   const bundle = document.getElementById("mbrotBundle");
   const nsIFilePicker = Components.interfaces.nsIFilePicker;
 function saveImage() {
   const bundle = document.getElementById("mbrotBundle");
   const nsIFilePicker = Components.interfaces.nsIFilePicker;


@@ -355,6 +382,91 @@ function saveImage() {
   }
 }
 
   }
 }
 

+function updateBookmarkMenu(aParent) {
+  document.getElementById("bookmarkSave").disabled =
+    (!document.getElementById("drawButton").hidden || (gStartTime > 0));
+
+  while (aParent.hasChildNodes() &&
+         aParent.lastChild.id != 'bookmarkSeparator')
+    aParent.removeChild(aParent.lastChild);
+
+  var file = Components.classes["@mozilla.org/file/directory_service;1"]
+                       .getService(Components.interfaces.nsIProperties)
+                       .get("ProfD", Components.interfaces.nsIFile);
+  file.append("mandelbookmarks.sqlite");
+  if (file.exists()) {
+    var connection = Components.classes["@mozilla.org/storage/service;1"]
+                               .getService(Components.interfaces.mozIStorageService)
+                               .openDatabase(file);
+    try {
+      if (connection.tableExists("bookmarks")) {
+        var statement = connection.createStatement(
+            "SELECT name FROM bookmarks ORDER BY ROWID DESC");
+        while (statement.executeStep())
+          aParent.appendChild(document.createElement("menuitem"))
+                 .setAttribute("label", statement.getString(0));
+        statement.reset();
+        statement.finalize();
+        return;
+      }
+    } finally {
+      connection.close();
+    }
+  }
+  // Create the "Nothing Available" Menu item and disable it.
+  var na = aParent.appendChild(document.createElement("menuitem"));
+  na.setAttribute("label",
+                  document.getElementById("mbrotBundle").getString("noBookmarks"));
+  na.setAttribute("disabled", "true");
+}
+
+function callBookmark(evtarget) {
+}
+
+function saveBookmark() {
+  // retrieve wanted bookmark name with a prompt
+  var mbrotBundle = document.getElementById("mbrotBundle");
+  var prompts = Components.classes["@mozilla.org/embedcomp/prompt-service;1"]
+                          .getService(Components.interfaces.nsIPromptService);
+  var input = {value: ""}; // empty default value
+  var ok = prompts.prompt(null, "XXX Title", "XXX Please enter a name for the bookmark", input, null, {});
+  // ok is true if OK is pressed, false if Cancel. input.value holds the value of the edit field if "OK" was pressed.
+  if (!ok || !input.value)
+    return
+
+  var bmName = input.value;
+
+  // Open or create the bookmarks database.
+  var file = Components.classes["@mozilla.org/file/directory_service;1"]
+                       .getService(Components.interfaces.nsIProperties)
+                       .get("ProfD", Components.interfaces.nsIFile);
+  file.append("mandelbookmarks.sqlite");
+  var connection = Components.classes["@mozilla.org/storage/service;1"]
+                             .getService(Components.interfaces.mozIStorageService)
+                             .openDatabase(file);
+  connection.beginTransaction();
+  if (!connection.tableExists("bookmarks"))
+    connection.createTable("bookmarks", "name TEXT, iteration_max INTEGER, Cr_min REAL, Cr_max REAL, Ci_min REAL, Ci_max REAL");
+  // NULL. The value is a NULL value.
+  // INTEGER. The value is a signed integer, stored in 1, 2, 3, 4, 6, or 8 bytes depending on the magnitude of the value.
+  // REAL. The value is a floating point value, stored as an 8-byte IEEE floating point number.
+  // TEXT. The value is a text string, stored using the database encoding (UTF-8, UTF-16BE or UTF-16-LE).
+
+  // Put value of the current image into the bookmarks table
+  var statement = connection.createStatement(
+      "INSERT INTO bookmarks (name,iteration_max,Cr_min,Cr_max,Ci_min,Ci_max) VALUES (?1,?2,?3,?4,?5,?6)");
+  statement.bindStringParameter(0, bmName);
+  statement.bindStringParameter(1, gPref.getIntPref("mandelbrot.iteration_max"));
+  statement.bindStringParameter(2, parseFloat(gPref.getCharPref("mandelbrot.last_image.Cr_min")));
+  statement.bindStringParameter(3, parseFloat(gPref.getCharPref("mandelbrot.last_image.Cr_max")));
+  statement.bindStringParameter(4, parseFloat(gPref.getCharPref("mandelbrot.last_image.Ci_min")));
+  statement.bindStringParameter(5, parseFloat(gPref.getCharPref("mandelbrot.last_image.Ci_max")));
+  statement.execute();
+  statement.finalize();
+  connection.commitTransaction();
+  connection.close();
+}
+

 function updateIterMenu() {
   try {
     var currentIter = gPref.getIntPref("mandelbrot.iteration_max");
 function updateIterMenu() {
   try {
     var currentIter = gPref.getIntPref("mandelbrot.iteration_max");