diff options
| -rw-r--r-- | morphic.js | 162 |
1 files changed, 34 insertions, 128 deletions
@@ -829,12 +829,11 @@ }; If your new morph stores or references other morphs outside of the - submorph tree in other properties, be sure to also override the - default + submorph tree in other properties, you may need to override the default - copyRecordingReferences() + updateReferences() - method accordingly if you want it to support duplication. + method if you want it to support duplication. (6) development and user modes @@ -1268,7 +1267,7 @@ function copy(target) { target.constructor !== Object) { c = Object.create(target.constructor.prototype); var keys = Object.keys(target); - for (var l = keys.length, i = 0; i < l; i++) { + for (var l = keys.length, i = 0; i < l; ++i) { property = keys[i]; c[property] = target[property]; } @@ -3044,45 +3043,49 @@ Morph.prototype.fullCopy = function () { Other properties are also *shallow* copied, so you must override to deep copy Arrays and (complex) Objects */ - var dict = {}, c; - c = this.copyRecordingReferences(dict); + var map = new Map(), c; + c = this.copyRecordingReferences(map); c.forAllChildren(function (m) { - m.updateReferences(dict); + m.updateReferences(map); }); return c; }; -Morph.prototype.copyRecordingReferences = function (dict) { +Morph.prototype.copyRecordingReferences = function (map) { /* Recursively copy this entire composite morph, recording the correspondence between old and new morphs in the given dictionary. This dictionary will be used to update intra-composite references in the copy. See updateReferences(). - Note: This default implementation copies ONLY morphs in the - submorph hierarchy. If a morph stores morphs in other properties - that it wants to copy, then it should override this method to do so. - The same goes for morphs that contain other complex data that - should be copied when the morph is duplicated. + + Note: This default implementation copies ONLY morphs. If a morph + stores morphs in other properties that it wants to copy, then it + should override this method to do so. The same goes for morphs that + contain other complex data that should be copied when the morph is + duplicated. */ var c = this.copy(); - dict[this] = c; + map.set(this, c); this.children.forEach(function (m) { - c.add(m.copyRecordingReferences(dict)); + c.add(m.copyRecordingReferences(map)); }); return c; }; -Morph.prototype.updateReferences = function (dict) { +Morph.prototype.updateReferences = function (map) { /* Update intra-morph references within a composite morph that has been copied. For example, if a button refers to morph X in the orginal composite then the copy of that button in the new composite should refer to the copy of X in new composite, not the original X. */ - var property; - for (property in this) { - if (this[property] && this[property].isMorph && dict[property]) { - this[property] = dict[property]; + var property, value, reference; + for (var properties = Object.keys(this), l = properties.length, i = 0; i < l; ++i) { + property = properties[i]; + value = this[property]; + if (value && value.isMorph) { + reference = map.get(value); + if (reference) this[property] = reference; } } }; @@ -3921,20 +3924,6 @@ HandleMorph.prototype.mouseLeave = function () { this.changed(); }; -// HandleMorph duplicating: - -HandleMorph.prototype.copyRecordingReferences = function (dict) { - // inherited, see comment in Morph - var c = HandleMorph.uber.copyRecordingReferences.call( - this, - dict - ); - if (c.target && dict[this.target]) { - c.target = (dict[this.target]); - } - return c; -}; - // HandleMorph menu: HandleMorph.prototype.attach = function () { @@ -4258,20 +4247,6 @@ ColorPaletteMorph.prototype.updateTarget = function () { } }; -// ColorPaletteMorph duplicating: - -ColorPaletteMorph.prototype.copyRecordingReferences = function (dict) { - // inherited, see comment in Morph - var c = ColorPaletteMorph.uber.copyRecordingReferences.call( - this, - dict - ); - if (c.target && dict[this.target]) { - c.target = (dict[this.target]); - } - return c; -}; - // ColorPaletteMorph menu: ColorPaletteMorph.prototype.developersMenu = function () { @@ -5838,23 +5813,6 @@ SliderMorph.prototype.updateTarget = function () { } }; -// SliderMorph duplicating: - -SliderMorph.prototype.copyRecordingReferences = function (dict) { - // inherited, see comment in Morph - var c = SliderMorph.uber.copyRecordingReferences.call( - this, - dict - ); - if (c.target && dict[this.target]) { - c.target = (dict[this.target]); - } - if (c.button && dict[this.button]) { - c.button = (dict[this.button]); - } - return c; -}; - // SliderMorph menu: SliderMorph.prototype.developersMenu = function () { @@ -8140,20 +8098,6 @@ TriggerMorph.prototype.createLabel = function () { this.add(this.label); }; -// TriggerMorph duplicating: - -TriggerMorph.prototype.copyRecordingReferences = function (dict) { - // inherited, see comment in Morph - var c = TriggerMorph.uber.copyRecordingReferences.call( - this, - dict - ); - if (c.label && dict[this.label]) { - c.label = (dict[this.label]); - } - return c; -}; - // TriggerMorph action: TriggerMorph.prototype.trigger = function () { @@ -8599,20 +8543,6 @@ FrameMorph.prototype.reactToGrabOf = function () { this.adjustBounds(); }; -// FrameMorph duplicating: - -FrameMorph.prototype.copyRecordingReferences = function (dict) { - // inherited, see comment in Morph - var c = FrameMorph.uber.copyRecordingReferences.call( - this, - dict - ); - if (c.frame && dict[this.scrollFrame]) { - c.frame = (dict[this.scrollFrame]); - } - return c; -}; - // FrameMorph menus: FrameMorph.prototype.developersMenu = function () { @@ -8957,32 +8887,22 @@ ScrollFrameMorph.prototype.mouseScroll = function (y, x) { // ScrollFrameMorph duplicating: -ScrollFrameMorph.prototype.copyRecordingReferences = function (dict) { - // inherited, see comment in Morph - var c = ScrollFrameMorph.uber.copyRecordingReferences.call( - this, - dict - ); - if (c.contents && dict[this.contents]) { - c.contents = (dict[this.contents]); - } - if (c.hBar && dict[this.hBar]) { - c.hBar = (dict[this.hBar]); - c.hBar.action = function (num) { - c.contents.setPosition( - new Point(c.left() - num, c.contents.position().y) +ScrollFrameMorph.prototype.updateReferences = function () { + var self = this; + if (this.hBar) { + this.hBar.action = function (num) { + self.contents.setPosition( + new Point(self.left() - num, self.contents.position().y) ); }; } - if (c.vBar && dict[this.vBar]) { - c.vBar = (dict[this.vBar]); - c.vBar.action = function (num) { - c.contents.setPosition( - new Point(c.contents.position().x, c.top() - num) + if (this.vBar) { + this.vBar.action = function (num) { + self.contents.setPosition( + new Point(self.contents.position().x, self.top() - num) ); }; } - return c; }; // ScrollFrameMorph menu: @@ -9242,20 +9162,6 @@ StringFieldMorph.prototype.mouseClickLeft = function (pos) { } }; -// StringFieldMorph duplicating: - -StringFieldMorph.prototype.copyRecordingReferences = function (dict) { - // inherited, see comment in Morph - var c = StringFieldMorph.uber.copyRecordingReferences.call( - this, - dict - ); - if (c.text && dict[this.text]) { - c.text = (dict[this.text]); - } - return c; -}; - // BouncerMorph //////////////////////////////////////////////////////// // I am a Demo of a stepping custom Morph |