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Fix Issue 144: Undo/redo poly editing 

git-svn-id: http://svg-edit.googlecode.com/svn/trunk@500 eee81c28-f429-11dd-99c0-75d572ba1ddd
master
Jeff Schiller 2009-08-29 22:10:52 +00:00
parent 3118679dfe
commit f8e513e936
1 changed files with 15 additions and 0 deletions
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15
editor/svgcanvas.js
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@ -561,6 +561,7 @@ function SvgCanvas(c)
var current_poly = null;
var current_poly_pts = [];
var current_poly_pt_drag = -1;
var current_poly_oldd = null;
// this will hold all the currently selected elements
// default size of 1 until it needs to grow bigger
var selectedElements = new Array(1);
@ -1362,6 +1363,7 @@ function SvgCanvas(c)
break;
case "polyedit":
started = true;
current_poly_oldd = current_poly.getAttribute("d");
var id = evt.target.id;
if (id.substr(0,14) == "polypointgrip_") {
current_poly_pt_drag = parseInt(id.substr(14));
@ -2057,6 +2059,11 @@ function SvgCanvas(c)
if (current_poly_pt_drag != -1) {
current_poly_pt_drag = -1;
var batchCmd = new BatchCommand("Edit Poly");
// the attribute changes we want to undo
var oldvalues = {};
oldvalues["d"] = current_poly_oldd;
// If the poly was rotated, we must now pay the piper:
// Every poly point must be rotated into the rotated coordinate system of
// its old center, then determine the new center, then rotate it back
@ -2132,6 +2139,7 @@ function SvgCanvas(c)
// now we must set the new transform to be rotated around the new center
var rotate = "rotate(" + (angle * 180.0 / Math.PI) + " " + newcx + "," + newcy + ")";
oldvalues["transform"] = current_poly.getAttribute("rotate");
current_poly.setAttribute("transform", rotate);
var pointGripContainer = document.getElementById("polypointgrip_container");
@ -2139,6 +2147,12 @@ function SvgCanvas(c)
pointGripContainer.setAttribute("transform", rotate);
}
} // if rotated
batchCmd.addSubCommand(new ChangeElementCommand(current_poly, oldvalues, "poly points"));
addCommandToHistory(batchCmd);
call("changed", [current_poly]);
// make these changes undo-able
} // if (current_poly_pt_drag != -1)
// else, move back to select mode
else {
@ -2859,6 +2873,7 @@ function SvgCanvas(c)
this.undo = function() {
if (undoStackPointer > 0) {
this.clearSelection();
removeAllPointGripsFromPoly();
var cmd = undoStack[--undoStackPointer];
cmd.unapply();
call("changed", cmd.elements());