.getService(Components.interfaces.nsIPrefService)
.getBranch(null);
var gStartTime = 0;
+var gMbrotBundle;
function Startup() {
updateIterMenu();
updatePaletteMenu();
- document.getElementById("statusLabel").value =
- document.getElementById("mbrotBundle").getString("statusEmpty");
+ gMbrotBundle = document.getElementById("mbrotBundle");
+ document.getElementById("statusLabel").value = gMbrotBundle.getString("statusEmpty");
}
function drawImage() {
document.getElementById("drawButton").hidden = true;
- document.getElementById("statusLabel").value =
- document.getElementById("mbrotBundle").getString("statusDrawing");
+ document.getElementById("statusLabel").value = gMbrotBundle.getString("statusDrawing");
let Cr_min = -2.0;
let Cr_max = 1.0;
let endTime = new Date();
let timeUsed = (endTime.getTime() - gStartTime.getTime()) / 1000;
document.getElementById("statusLabel").value =
- document.getElementById("mbrotBundle").getFormattedString("statusTime", [timeUsed.toFixed(3)]);
+ gMbrotBundle.getFormattedString("statusTime", [timeUsed.toFixed(3)]);
+ gStartTime = 0;
}
function complex(aReal, aImag) {
/***** 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, gMbrotBundle.getString("zoomConfirmTitle"),
+ gMbrotBundle.getString("zoomConfirmLabel") + ' --- ' +
+ 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;
var fp = null;
try {
.createInstance(nsIFilePicker);
} catch (e) {}
if (!fp) return;
- var promptString = bundle.getString("savePrompt");
+ var promptString = gMbrotBundle.getString("savePrompt");
fp.init(window, promptString, nsIFilePicker.modeSave);
- fp.appendFilter(bundle.getString("pngFilterName"), "*.png");
+ fp.appendFilter(gMbrotBundle.getString("pngFilterName"), "*.png");
fp.defaultString = "mandelbrot.png";
var fpResult = fp.show();
}
}
+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", gMbrotBundle.getString("noBookmarks"));
+ na.setAttribute("disabled", "true");
+}
+
+function callBookmark(evtarget) {
+}
+
+function saveBookmark() {
+ // retrieve wanted bookmark name with a prompt
+ 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, gMbrotBundle.getString("saveBookmarkTitle"), gMbrotBundle.getString("saveBookmarkLabel"), 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");
projects / mandelbrot.git / commitdiff