470 lines
12 KiB
JavaScript
470 lines
12 KiB
JavaScript
//>>built
|
|
// wrapped by build app
|
|
define("dojox/drawing/manager/Anchors", ["dijit","dojo","dojox"], function(dijit,dojo,dojox){
|
|
dojo.provide("dojox.drawing.manager.Anchors");
|
|
|
|
dojox.drawing.manager.Anchors = dojox.drawing.util.oo.declare(
|
|
// summary:
|
|
// Creates and manages the anchor points that are attached to
|
|
// (usually) the corners of a Stencil.
|
|
// description:
|
|
// Used internally, but there are some things that should be known:
|
|
// Anchors attach to a Stencil's 'points' (See stencil.points)
|
|
// To not display an anchor on a certain point, add noAnchor:true
|
|
// to the point.
|
|
|
|
function(/* dojox.__stencilArgs */options){
|
|
// arguments: See stencil._Base
|
|
this.mouse = options.mouse;
|
|
this.undo = options.undo;
|
|
this.util = options.util;
|
|
this.drawing = options.drawing;
|
|
this.items = {};
|
|
},
|
|
{
|
|
onAddAnchor: function(/*Anchor*/anchor){
|
|
// summary:
|
|
// Event fires when anchor is created
|
|
},
|
|
|
|
|
|
onReset: function(/*Stencil*/stencil){
|
|
// summary:
|
|
// Event fires when an anchor's reset method is called
|
|
//
|
|
// a desperate hack in order to get the anchor point to reset.
|
|
// FIXME: Is this still used? I think its item.deselect();item.select();
|
|
var st = this.util.byId("drawing").stencils;
|
|
st.onDeselect(stencil);
|
|
st.onSelect(stencil);
|
|
},
|
|
|
|
onRenderStencil: function(){
|
|
// summary:
|
|
// Event fires when an anchor calls a Stencil's render method
|
|
//
|
|
for(var nm in this.items){
|
|
dojo.forEach(this.items[nm].anchors, function(a){
|
|
a.shape.moveToFront();
|
|
});
|
|
}
|
|
},
|
|
|
|
onTransformPoint: function(/*Anchor*/anchor){
|
|
// summary:
|
|
// Event fired on anchor drag
|
|
//
|
|
// If anchors are a "group", it's corresponding anchor
|
|
// is set. All anchors then moved to front.
|
|
var anchors = this.items[anchor.stencil.id].anchors;
|
|
var item = this.items[anchor.stencil.id].item;
|
|
var pts = [];
|
|
dojo.forEach(anchors, function(a, i){
|
|
|
|
|
|
if(anchor.id == a.id || anchor.stencil.anchorType!="group"){
|
|
// nothing
|
|
}else{
|
|
if(anchor.org.y == a.org.y){
|
|
a.setPoint({
|
|
dx: 0,
|
|
dy: anchor.shape.getTransform().dy - a.shape.getTransform().dy
|
|
});
|
|
}else if(anchor.org.x == a.org.x){
|
|
a.setPoint({
|
|
dx: anchor.shape.getTransform().dx - a.shape.getTransform().dx,
|
|
dy: 0
|
|
});
|
|
}
|
|
a.shape.moveToFront();
|
|
}
|
|
|
|
var mx = a.shape.getTransform();
|
|
pts.push({x:mx.dx + a.org.x, y:mx.dy+ a.org.y});
|
|
|
|
if(a.point.t){
|
|
pts[pts.length-1].t = a.point.t;
|
|
}
|
|
|
|
}, this);
|
|
item.setPoints(pts);
|
|
item.onTransform(anchor);
|
|
this.onRenderStencil();
|
|
},
|
|
|
|
onAnchorUp: function(/*Anchor*/anchor){
|
|
// summary:
|
|
// Event fired on anchor mouseup
|
|
},
|
|
|
|
onAnchorDown: function(/*Anchor*/anchor){
|
|
// summary:
|
|
// Event fired on anchor mousedown
|
|
},
|
|
|
|
onAnchorDrag: function(/*Anchor*/anchor){
|
|
// summary:
|
|
// Event fired when anchor is moved
|
|
},
|
|
|
|
onChangeStyle: function(/*Object*/stencil){
|
|
// summary:
|
|
// if the Stencil changes color while were's selected
|
|
// this moves the anchors to the back. Fix it.
|
|
|
|
for(var nm in this.items){
|
|
dojo.forEach(this.items[nm].anchors, function(a){
|
|
a.shape.moveToFront();
|
|
});
|
|
}
|
|
},
|
|
|
|
add: function(/*Stencil*/item){
|
|
// summary:
|
|
// Creates anchor points on a Stencil, based on the
|
|
// Stencil's points.
|
|
//
|
|
this.items[item.id] = {
|
|
item:item,
|
|
anchors:[]
|
|
};
|
|
if(item.anchorType=="none"){ return; }
|
|
var pts = item.points;
|
|
dojo.forEach(pts, function(p, i){
|
|
if(p.noAnchor){ return; }
|
|
if(i==0 || i == item.points.length-1){
|
|
console.log("ITEM TYPE:", item.type, item.shortType);
|
|
}
|
|
var a = new dojox.drawing.manager.Anchor({stencil:item, point:p, pointIdx:i, mouse:this.mouse, util:this.util});
|
|
this.items[item.id]._cons = [
|
|
dojo.connect(a, "onRenderStencil", this, "onRenderStencil"),
|
|
dojo.connect(a, "reset", this, "onReset"),
|
|
dojo.connect(a, "onAnchorUp", this, "onAnchorUp"),
|
|
dojo.connect(a, "onAnchorDown", this, "onAnchorDown"),
|
|
dojo.connect(a, "onAnchorDrag", this, "onAnchorDrag"),
|
|
dojo.connect(a, "onTransformPoint", this, "onTransformPoint"),
|
|
// FIXME: this will fire for each anchor. yech.
|
|
dojo.connect(item, "onChangeStyle", this, "onChangeStyle")
|
|
];
|
|
|
|
this.items[item.id].anchors.push(a);
|
|
this.onAddAnchor(a);
|
|
}, this);
|
|
|
|
if(item.shortType=="path"){
|
|
// check if we have a double-point of a closed-curve-path
|
|
var f = pts[0], l = pts[pts.length-1], a = this.items[item.id].anchors;
|
|
if(f.x ==l.x && f.y==l.y){
|
|
console.warn("LINK ANVHROS", a[0], a[a.length-1]);
|
|
a[0].linkedAnchor = a[a.length-1];
|
|
a[a.length-1].linkedAnchor = a[0];
|
|
}
|
|
}
|
|
|
|
if(item.anchorType=="group"){
|
|
dojo.forEach(this.items[item.id].anchors, function(anchor){
|
|
dojo.forEach(this.items[item.id].anchors, function(a){
|
|
if(anchor.id != a.id){
|
|
if(anchor.org.y == a.org.y){
|
|
anchor.x_anchor = a;
|
|
}else if(anchor.org.x == a.org.x){
|
|
anchor.y_anchor = a;
|
|
}
|
|
}
|
|
},this);
|
|
},this);
|
|
|
|
}
|
|
},
|
|
|
|
remove: function(/*Stencil*/item){
|
|
// summary:
|
|
// Destroys the anchor points for a Stencil.
|
|
//
|
|
if(!this.items[item.id]){
|
|
return;
|
|
}
|
|
dojo.forEach(this.items[item.id].anchors, function(a){
|
|
a.destroy();
|
|
});
|
|
dojo.forEach(this.items[item.id]._cons, dojo.disconnect, dojo);
|
|
this.items[item.id].anchors = null;
|
|
delete this.items[item.id];
|
|
}
|
|
}
|
|
);
|
|
|
|
dojox.drawing.manager.Anchor = dojox.drawing.util.oo.declare(
|
|
// summary:
|
|
// An anchor point that is attached to (usually) one of the
|
|
// corners of a Stencil.
|
|
// Used internally.
|
|
function(/* Object */options){
|
|
// summary:
|
|
// constructor.
|
|
// arguments:
|
|
// dojox.__stencilArgs plus some additional
|
|
// data, like which point this is (pointIdx)
|
|
//
|
|
this.defaults = dojox.drawing.defaults.copy();
|
|
this.mouse = options.mouse;
|
|
this.point = options.point;
|
|
this.pointIdx = options.pointIdx;
|
|
this.util = options.util;
|
|
this.id = options.id || this.util.uid("anchor");
|
|
this.org = dojo.mixin({}, this.point);
|
|
this.stencil = options.stencil;
|
|
if(this.stencil.anchorPositionCheck){
|
|
this.anchorPositionCheck = dojo.hitch(this.stencil, this.stencil.anchorPositionCheck);
|
|
}
|
|
if(this.stencil.anchorConstrain){
|
|
this.anchorConstrain = dojo.hitch(this.stencil, this.stencil.anchorConstrain);
|
|
}
|
|
this._zCon = dojo.connect(this.mouse, "setZoom", this, "render");
|
|
this.render();
|
|
this.connectMouse();
|
|
},
|
|
{
|
|
y_anchor:null,
|
|
x_anchor:null,
|
|
render: function(){
|
|
// summary:
|
|
// Creates the anchor point. Unlike most render methods
|
|
// in Drawing, this is only called once.
|
|
//
|
|
this.shape && this.shape.removeShape();
|
|
var d = this.defaults.anchors,
|
|
z = this.mouse.zoom,
|
|
b = d.width * z,
|
|
s = d.size * z,
|
|
p = s/2,
|
|
line = {
|
|
width:b,
|
|
style:d.style,
|
|
color:d.color,
|
|
cap:d.cap
|
|
};
|
|
|
|
|
|
var _r = {
|
|
x: this.point.x-p,
|
|
y: this.point.y-p,
|
|
width: s,
|
|
height: s
|
|
};
|
|
this.shape = this.stencil.container.createRect(_r)
|
|
.setStroke(line)
|
|
.setFill(d.fill);
|
|
|
|
this.shape.setTransform({dx:0, dy:0});
|
|
this.util.attr(this, "drawingType", "anchor");
|
|
this.util.attr(this, "id", this.id);
|
|
},
|
|
onRenderStencil: function(/*Anchor*/anchor){
|
|
// summary:
|
|
// Event fires when an anchor calls a Stencil's render method
|
|
},
|
|
onTransformPoint: function(/*Anchor*/anchor){
|
|
// summary:
|
|
// Event fires when an anchor changes the points of a Stencil
|
|
},
|
|
onAnchorDown: function(/*Mouse.EventObject*/obj){
|
|
// summary:
|
|
// Event fires for mousedown on anchor
|
|
this.selected = obj.id == this.id;
|
|
},
|
|
onAnchorUp: function(/*Mouse.EventObject*/obj){
|
|
// summary:
|
|
// Event fires for mouseup on anchor
|
|
this.selected = false;
|
|
this.stencil.onTransformEnd(this);
|
|
},
|
|
|
|
onAnchorDrag: function(/*Mouse.EventObject*/obj){
|
|
// summary:
|
|
// Event fires for on dragging of an anchor
|
|
if(this.selected){
|
|
// mx is the original transform from when the anchor
|
|
// was created. It does not change
|
|
var mx = this.shape.getTransform();
|
|
|
|
var pmx = this.shape.getParent().getParent().getTransform();
|
|
|
|
var marginZero = this.defaults.anchors.marginZero;
|
|
|
|
var orgx = pmx.dx + this.org.x,
|
|
orgy = pmx.dy + this.org.y,
|
|
x = obj.x - orgx,
|
|
y = obj.y - orgy,
|
|
s = this.defaults.anchors.minSize;
|
|
|
|
var conL, conR, conT, conB;
|
|
|
|
var chk = this.anchorPositionCheck(x, y, this);
|
|
if(chk.x<0){
|
|
console.warn("X<0 Shift");
|
|
while(this.anchorPositionCheck(x, y, this).x<0){
|
|
this.shape.getParent().getParent().applyTransform({dx:2, dy:0});
|
|
}
|
|
}
|
|
if(chk.y<0){
|
|
console.warn("Y<0 Shift");
|
|
while(this.anchorPositionCheck(x, y, this).y<0){
|
|
this.shape.getParent().getParent().applyTransform({dx:0, dy:2});
|
|
}
|
|
}
|
|
|
|
if(this.y_anchor){
|
|
// prevent y overlap of opposite anchor
|
|
if(this.org.y > this.y_anchor.org.y){
|
|
// bottom anchor
|
|
|
|
conT = this.y_anchor.point.y + s - this.org.y;
|
|
conB = Infinity;
|
|
|
|
if(y < conT){
|
|
// overlapping other anchor
|
|
y = conT;
|
|
}
|
|
|
|
|
|
}else{
|
|
// top anchor
|
|
|
|
conT = -orgy + marginZero;
|
|
conB = this.y_anchor.point.y - s - this.org.y;
|
|
|
|
if(y < conT){
|
|
// less than zero
|
|
y = conT;
|
|
}else if(y > conB){
|
|
// overlapping other anchor
|
|
y = conB;
|
|
}
|
|
}
|
|
}else{
|
|
// Lines - check for zero
|
|
conT = -orgy + marginZero;
|
|
if(y < conT){
|
|
// less than zero
|
|
y = conT;
|
|
}
|
|
}
|
|
|
|
|
|
|
|
|
|
if(this.x_anchor){
|
|
// prevent x overlap of opposite anchor
|
|
|
|
if(this.org.x>this.x_anchor.org.x){
|
|
// right anchor
|
|
|
|
conL = this.x_anchor.point.x + s - this.org.x;
|
|
conR = Infinity;
|
|
|
|
if(x < conL){
|
|
// overlapping other anchor
|
|
x = conL;
|
|
}
|
|
|
|
}else{
|
|
// left anchor
|
|
|
|
conL = -orgx + marginZero;
|
|
conR = this.x_anchor.point.x - s - this.org.x;
|
|
|
|
if(x < conL){
|
|
x = conL;
|
|
}else if(x > conR){
|
|
// overlapping other anchor
|
|
x = conR;
|
|
}
|
|
}
|
|
}else{
|
|
// Lines check for zero
|
|
conL = -orgx + marginZero;
|
|
if(x < conL){
|
|
x = conL;
|
|
}
|
|
}
|
|
//Constrains anchor point, returns null if not overwritten by stencil
|
|
var constrained = this.anchorConstrain(x, y);
|
|
if(constrained != null){
|
|
x=constrained.x;
|
|
y=constrained.y;
|
|
}
|
|
|
|
this.shape.setTransform({
|
|
dx:x,
|
|
dy:y
|
|
});
|
|
if(this.linkedAnchor){
|
|
// first and last points of a closed-curve-path
|
|
this.linkedAnchor.shape.setTransform({
|
|
dx:x,
|
|
dy:y
|
|
});
|
|
}
|
|
this.onTransformPoint(this);
|
|
}
|
|
},
|
|
|
|
anchorConstrain: function(/* Number */x,/* Number */ y){
|
|
// summary:
|
|
// To be over written by tool!
|
|
// Add an anchorConstrain method to the tool
|
|
// and it will automatically overwrite this stub.
|
|
// Should return a constrained x & y value.
|
|
return null;
|
|
},
|
|
|
|
anchorPositionCheck: function(/* Number */x,/* Number */ y, /* Anchor */anchor){
|
|
// summary:
|
|
// To be over written by tool!
|
|
// Add a anchorPositionCheck method to the tool
|
|
// and it will automatically overwrite this stub.
|
|
// Should return x and y coords. Success is both
|
|
// being greater than zero, fail is if one or both
|
|
// are less than zero.
|
|
return {x:1, y:1};
|
|
},
|
|
|
|
setPoint: function(mx){
|
|
// summary:
|
|
// Internal. Sets the Stencil's point
|
|
this.shape.applyTransform(mx);
|
|
},
|
|
|
|
connectMouse: function(){
|
|
// summary:
|
|
// Internal. Connects anchor to manager.mouse
|
|
this._mouseHandle = this.mouse.register(this);
|
|
},
|
|
|
|
disconnectMouse: function(){
|
|
// summary:
|
|
// Internal. Disconnects anchor to manager.mouse
|
|
this.mouse.unregister(this._mouseHandle);
|
|
},
|
|
|
|
reset: function(stencil){
|
|
// summary:
|
|
// Called (usually) from a Stencil when that Stencil
|
|
// needed to make modifications to the position of the
|
|
// point. Basically used when teh anchor causes a
|
|
// less than zero condition.
|
|
},
|
|
|
|
destroy: function(){
|
|
// summary:
|
|
// Destroys anchor.
|
|
dojo.disconnect(this._zCon);
|
|
this.disconnectMouse();
|
|
this.shape.removeShape();
|
|
}
|
|
}
|
|
);
|
|
|
|
});
|