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Define PaperScopeItem as a private base class for all classes that have lists and references in the PaperScope (Project, View, Tool), so they can share functionality (#initialize(), #activate(), #remove()), and add support for multiple tools. Closes

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This commit is contained in:
Jürg Lehni 2011-08-02 10:08:08 +01:00
parent 2d5788540d
commit fe97b94340
6 changed files with 139 additions and 64 deletions
src/project
Project.js

57
src/project/Project.js
View file

@ -34,7 +34,10 @@
* An array of all open projects is accessible through the
* {@link PaperScope#projects} variable.
*/
var Project = this.Project = Base.extend(/** @lends Project# */{
var Project = this.Project = PaperScopeItem.extend(/** @lends Project# */{
_list: 'projects',
_reference: 'project',
// TODO: Add arguments to define pages
/**
* Creates a Paper.js project.
@ -43,16 +46,12 @@ var Project = this.Project = Base.extend(/** @lends Project# */{
* and the {@link PaperScope#project} variable points to it.
*/
initialize: function() {
// Store reference to the currently active global paper scope:
this._scope = paper;
// Push it onto this._scope.projects and set index:
this._index = this._scope.projects.push(this) - 1;
// Activate straight away so paper.project is set, as required by
// Layer and DoumentView constructors.
this.base(true);
this._currentStyle = new PathStyle();
this._selectedItems = {};
this._selectedItemCount = 0;
// Activate straight away so paper.project is set, as required by
// Layer and DoumentView constructors.
this.activate();
this.layers = [];
this.symbols = [];
this.activeLayer = new Layer();
@ -63,6 +62,21 @@ var Project = this.Project = Base.extend(/** @lends Project# */{
this._scope._needsRedraw();
},
/**
* Activates this project, so all newly created items will be placed
* in it.
*
* @name Project#activate
* @function
*/
/**
* Removes this project from the {@link PaperScope#projects} list.
*
* @name Project#remove
* @function
*/
/**
* The currently active path style. All selected items and newly
* created items will be styled with this style.
@ -98,33 +112,6 @@ var Project = this.Project = Base.extend(/** @lends Project# */{
this._currentStyle.initialize(style);
},
/**
* Activates this project, so all newly created items will be placed
* in it.
*/
activate: function() {
if (this._scope) {
this._scope.project = this;
return true;
}
return false;
},
/**
* Removes this project from the {@link PaperScope#projects} list.
*/
remove: function() {
if (this._scope) {
Base.splice(this._scope.projects, null, this._index, 1);
// Clear the active project reference if it was pointint to this.
if (this._scope.project == this)
this._scope.project = null;
this._scope = null;
return true;
}
return false;
},
/**
* The index of the project in the {@link PaperScope#projects} list.
*