add some more commands

lib/ace/multi_cursor.js

@@ -88,10 +88,16 @@ function exec(command, editor, args) {
     if (editor && editor.$readOnly && !command.readOnly)
         return false;
 
-    if (/^(remove|insert|select|go|jumptomatching|del|backspace|to(?:upp|low)ercase)/.test(command.name)) {
-        forEachSelection(editor, command, args)
-    }else
+    if (!command.multiCursor) {
         command.exec(editor, args || {});
+    } else if (command.multiCursor == "forEach") {
+        forEachSelection(editor, command, args)
+    } else if (command.multiCursor == "single") {
+		exitMultiSelectMode(editor);
+        command.exec(editor, args || {});
+	} else {
+        command.multiCursor(editor, args || {});
+	}
     return true;
 };
 
@@ -199,7 +205,7 @@ function addCursorV(editor, dir){
         var newRange = Range.fromPoints(anchor, lead)
         newRange.cursor = newRange.end
     }
-    newRange.desiredColumn = editor.selection.$desiredColumn
+    newRange.desiredColumn = screenLead.column;
     if (!editor.inMultiSelectMode) {
         addSelectionRange(editor, range)
     } else {
@@ -212,27 +218,140 @@ function addCursorV(editor, dir){
     if (toRemove)
         editor.selection.rangeList.substractPoint(toRemove)
 }
+
+function transposeSelections(editor, dir) {
+	var session = editor.session;
+	var sel = session.multiSelection;
+	var all = sel.rangeList.all;
+	
+	var words = [];
+	for (var i = all.length; i--; ) {
+		var range = all[i]
+		if (range.isEmpty()) {
+			var tmp = session.getWordRange(range.start.row, range.start.column)
+			range.start.row = tmp.start.row;
+			range.start.column = tmp.start.column;
+			range.end.row = tmp.end.row;
+			range.end.column = tmp.end.column;
+		}
+		
+		words.unshift(editor.session.getTextRange(range));
+	}
+	if (dir < 0)
+		words.unshift(words.pop());
+	else
+		words.push(words.shift());
+
+	for (var i = all.length; i--; ) {
+		var range = all[i];
+		var tmp = range.clone();
+		session.replace(range, words[i]);
+		range.start.row = tmp.start.row;
+		range.start.column = tmp.start.column;
+	}
+}
+
+function splitIntoLines(editor) {
+	var sel = editor.session.multiSelection
+	if (sel.rangeCount > 1) {
+		var ranges = sel.rangeList.ranges;
+		var lastRange = ranges[ranges.length - 1]
+		var range = Range.fromPoints(ranges[0].start, lastRange.end)
+		
+		exitMultiSelectMode(editor)
+		sel.setSelectionRange(range, lastRange.cursor == lastRange.start)
+	} else {
+		
+	}
+}
+
+var Search = require("ace/search").Search
+var search = new Search
+
+function find(session, needle, dir) {
+	search.$options.wrap = false;
+	search.$options.needle = needle;
+	search.$options.backwards = dir == -1;
+	return search.find(session)
+}
+function addRange(editor, dir, skip) {
+	var session = editor.session;
+	var sel = session.multiSelection;
+	var all = sel.rangeList.all;
+	
+	var range = sel.getRange();
+	if (range.isEmpty()) {
+		var tmp = session.getWordRange(range.start.row, range.start.column)
+		var offset = tmp.start.column - range.start.column
+		range = tmp;
+	}
+	var needle = session.getTextRange(range);
+	
+	if (skip) {
+		
+	}
+	
+	var newRange = find(session, needle, dir);
+	
+	newRange.cursor = dir == -1 ? newRange.start : newRange.end;
+	addSelectionRange(editor, newRange)	
+}
 // commands
+// add multicursor annotations to default commands
+var defaultCommands = require("./commands/default_commands").commands;
+
+defaultCommands.forEach(function(command) {
+	var single = RegExp(["selectall"].join("|"), "");
+	var mapOverCommands = RegExp(["backspace", "del",
+		"golinedown", "golineup", "gotoend", "gotoleft", "gotolineend", "gotolinestart",
+		"gotoright", "gotostart", "gotowordleft", "gotowordright", 
+		"indent", "insertstring", "inserttext", "jumptomatching", "outdent",
+		"removetolineend", "removetolinestart", "removewordleft", "removewordright",
+		"selectdown", "selectleft", "selectlineend", "selectlinestart", "selectright",
+		"selecttoend", "selecttolineend", "selecttolinestart", "selecttostart",
+		"selectup", "selectwordleft", "selectwordright",
+		"splitline", "tolowercase", "touppercase"].join("|"), "");
+		
+	if (single.test(command.name))
+		command.multiCursor = "single";
+	else if (mapOverCommands.test(command.name))
+		command.multiCursor = "forEach";
+	else if (command.name == "transposeletters")
+		command.multiCursor = transposeSelections
+});
+
+// commands to to enter multicursor mode
 exports.defaultCommands = [{
     name: "addCursorAbove",
-    exec: function(editor) {
-        addCursorV(editor, -1)
-    },
-    bindKey: {
-        win: "Alt-Shift-Up",
-        mac: "Alt-Shift-Up"
-    }
+    exec: function(editor) {addCursorV(editor, -1); },
+    bindKey: {win: "Alt-Shift-Up", mac: "Alt-Shift-Up"}
 }, {
     name: "addCursorBelow",
-    exec: function(editor) {
-        addCursorV(editor, 1)
-    },
-    bindKey: {
-        win: "Alt-Shift-Down",
-        mac: "Alt-Shift-Down"
-    }
-}];
+    exec: function(editor) {addCursorV(editor, 1); },
+    bindKey: {win: "Alt-Shift-Down", mac: "Alt-Shift-Down"}
+}, {
+    name: "selectMoreBefore",
+    exec: function(editor) {addRange(editor, -1); },
+    bindKey: {win: "Ctrl-Alt-Up", mac: "Ctrl-Alt-Up"}
+}, {
+    name: "selectMoreAfter",
+    exec: function(editor) {addRange(editor, 1); },
+    bindKey: {win: "Ctrl-Alt-Down", mac: "Ctrl-Alt-Down"}
+}, {
+    name: "selectNextBefore",
+    exec: function(editor) {addCursorV(editor, -1, true); },
+    bindKey: {win: "Ctrl-Shift-PageUp", mac: "Ctrl-Shift-PageUp"}
+}, {
+    name: "selectNextAfter",
+    exec: function(editor) {addCursorV(editor, 1, true); },
+    bindKey: {win: "Ctrl-Shift-PageDown", mac: "Ctrl-Shift-PageDown"}
+},  {
+    name: "splitIntoLines",
+    exec: function(editor) {splitIntoLines(editor); },
+    bindKey: {win: "Ctrl-Shift-L", mac: "Ctrl-Shift-L"}
+}, ];
 
+// commands active when multiple cursors are present
 exports.multiEditCommands = [{
     name: "singleSelection",
     bindKey: "esc",
@@ -421,10 +540,6 @@ function onMouseDown(e) {
     }
 }
 
-function altSelect(ev) {
-
-}
-
 // MultiCursor
 function MultiCursor(editor) {
     initSession(editor.session);