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Code Issues Projects Releases Wiki Activity

undo/redo engine done

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This commit is contained in:
Val Erastov 2015-07-10 22:23:15 -07:00
parent d0174891aa
commit 242cba46a4
1 changed files with 24 additions and 6 deletions
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30
web/app/sketcher/main2d.js
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@ -165,6 +165,8 @@ TCAD.App2D.prototype.cleanUp = function() {
layer.objects = [];
}
}
this.viewer.deselectAll();
TCAD.TWO.utils.ID_COUNTER = 0;
if (this.viewer.parametricManager.subSystems.length != 0) {
this.viewer.parametricManager.subSystems = [];
this.viewer.parametricManager.notify();
@ -413,14 +415,15 @@ TCAD.App2D.prototype.undo = function () {
var currentState = this.saveSketch();
if (currentState == this.lastCheckpoint) {
if (this.historyPointer != -1) {
this.loadSketch(JSON.parse(this.lastCheckpoint));
this.viewer.refresh();
var diff = this.diffs[this.historyPointer];
this.lastCheckpoint = this.applyDiff(this.lastCheckpoint, diff);
this.loadSketch(JSON.parse(this.lastCheckpoint));
this.viewer.refresh();
console.log(this.lastCheckpoint);
this.historyPointer --;
}
} else {
var diffToCurr = this.getDiff(this.lastCheckpoint, currentState);
var diffToCurr = this.getDiff(currentState, this.lastCheckpoint);
if (this.historyPointer != this.diffs.length - 1) {
this.diffs.splice(this.historyPointer + 1, this.diffs.length - this.historyPointer + 1)
}
@ -453,7 +456,9 @@ TCAD.App2D.prototype.redo = function () {
this.historyPointer ++;
var diff = this.diffs[this.historyPointer];
this.lastCheckpoint = this.applyDiffInv(this.lastCheckpoint, diff);
console.log(this.lastCheckpoint);
this.loadSketch(JSON.parse(this.lastCheckpoint));
this.viewer.refresh();
}
};
@ -463,8 +468,21 @@ TCAD.App2D.prototype.applyDiff = function (text1, diff) {
return results[0];
};
TCAD.App2D.prototype.applyDiffInv = function () {
TCAD.App2D.prototype.applyDiffInv = function (text1, diff) {
this.reversePatch(diff);
var result = this.applyDiff(text1, diff);
this.reversePatch(diff);
return result;
};
TCAD.App2D.prototype.reversePatch = function (plist) {
for (var i = 0; i < plist.length; i++) {
var patch = plist[i];
for (var j = 0; j < patch.diffs.length; j++) {
var diff = patch.diffs[j];
diff[0] *= -1;
}
}
};
TCAD.App2D.prototype.getDiff = function (text1, text2) {
@ -476,7 +494,7 @@ TCAD.App2D.prototype.getDiff = function (text1, text2) {
}
var patch_list = dmp.patch_make(text1, text2, diff);
var patch_text = dmp.patch_toText(patch_list);
console.log(patch_text);
//var patch_text = dmp.patch_toText(patch_list);
//console.log(patch_list);
return patch_list;
};