webui-aria2/js/libs/dojox/drawing/tools/custom/Axes.js.uncompressed.js
2012-05-01 19:52:07 +08:00

578 lines
15 KiB
JavaScript

//>>built
// wrapped by build app
define("dojox/drawing/tools/custom/Axes", ["dijit","dojo","dojox","dojo/require!dojox/drawing/stencil/Path"], function(dijit,dojo,dojox){
dojo.provide("dojox.drawing.tools.custom.Axes");
dojo.require("dojox.drawing.stencil.Path");
dojox.drawing.tools.custom.Axes = dojox.drawing.util.oo.declare(
// summary:
// Draws a right-angle Axes (shaped like an L, not a +)
// description:
// This Stencil is created with a Path so that the L shape
// is one continuous piece. Arrow heads are placed at the end
// of each axis. The Axes can be rotated. There are custom
// label methods.
//
dojox.drawing.stencil.Path,
function(options){
this.closePath = false;
this.xArrow = new dojox.drawing.annotations.Arrow({stencil:this, idx1:0, idx2:1});
this.yArrow = new dojox.drawing.annotations.Arrow({stencil:this, idx1:2, idx2:1});
if(options.data){
//Allows import of z-axis in non-enabled canvas and xy-axis in
//enabled canvas
this.style.zAxisEnabled = options.data.cosphi == 1 ? true : false;
this.setData(options.data);
}
if(this.style.zAxisEnabled){
// If the z-axis is enabled, all axes will be created with a z-axis on the canvas.
// there is no switching back and forth for the axis, only for vectors.
this.data.cosphi = 1;
var ops = {};
dojo.mixin(ops,options);
dojo.mixin(ops,{
container:this.container.createGroup(),
style: this.style,
showAngle: false,
label: null
});
if(options.data && (!ops.data.radius || !ops.data.angle)){
ops.data.x2 = ops.data.x4;
ops.data.y2 = ops.data.y4;
}
ops.style.zAxis = true;
this.zAxis = new dojox.drawing.tools.custom.Vector(ops);
this.zAxis.minimumSize = 5;
//console.log("-----constructing axes: ",this.zAxis);
this.connectMult([
[this, "onChangeStyle", this.zAxis, "onChangeStyle"],
[this, "select", this.zAxis, "select"],
[this, "deselect", this.zAxis, "deselect"],
[this, "onDelete", this.zAxis, "destroy"],
[this, "onDrag", this, "zSet"],
[this, "onTransform", this, "zSet"],
[this.zAxis, "onBeforeRender", this, "zSet"],
[this, "_onPostRender", this.zAxis, "render"]
]);
}
if(this.points && this.points.length){
this.setPoints = this._postSetPoints;
// render isn't called yet because baseRender is false
// instead it is called here
this.render();
options.label && this.setLabel(options.label);
options.shadow && this.addShadow(options.shadow);
}
},
{
draws:true,
type:"dojox.drawing.tools.custom.Axes",
minimumSize:30,
showAngle:true,
closePath:false,
baseRender:false,
zScale:.5,
zPoint: function(obj){
// summary:
// Finds the point for the z axis.
obj.radius = this.util.length(obj);
var pt = this.util.pointOnCircle(obj.start.x, obj.start.y, obj.radius*this.zScale, this.style.zAngle);
return {x:pt.x, y:pt.y, skip:true, noAnchor:true};
},
zSet: function(){
if(!this.zAxis){ return; };
var c = this.points[1];
var z = this.points[3];
var p = [
{x:c.x, y:c.y},
{x:z.x, y:z.y}
];
var len = this.util.length({start:{x:c.x, y:c.y}, x:z.x, y:z.y});
len > this.zAxis.minimumSize ? this.zAxis.setPoints(p) : false;
this.zAxis.cosphi = 1;
},
createLabels: function(){
// summary:
// Creates the label for each axis.
//
// NOTE: Not passing style into text because it's changing it
var props = {align:"middle", valign:"middle", util:this.util, annotation:true, container:this.container, mouse:this.mouse, stencil:this};
this.labelX = new dojox.drawing.annotations.Label(dojo.mixin(props,{
labelPosition:this.setLabelX
}));
this.labelY = new dojox.drawing.annotations.Label(dojo.mixin(props,{
labelPosition:this.setLabelY
}));
if(this.style.zAxisEnabled){
this.labelZ = new dojox.drawing.annotations.Label(dojo.mixin(props,{
labelPosition:this.setLabelZ
}));
}
},
setLabelX: function(){
// summary:
// Custom placement for x-axis label
//
var ax = this.points[0];
var c = this.points[1];
var dist = 40;
var offdist = 20;
var pt, px, py, pt2;
pt = this.util.lineSub(c.x, c.y, ax.x, ax.y, dist);
px = pt.x + (pt.y -ax.y);
py = pt.y + (ax.x - pt.x);
pt2 = this.util.lineSub(pt.x, pt.y, px, py, (dist-offdist));
return {
x: pt2.x,
y: pt2.y,
width:20
};
},
setLabelY: function(){
// summary:
// Custom placement for y-axis label
//
var c = this.points[1];
var ay = this.points[2];
var dist = 40;
var offdist = 20;
var pt, px, py, pt2;
pt = this.util.lineSub(c.x, c.y, ay.x, ay.y, dist);
px = pt.x + (ay.y - pt.y);
py = pt.y + (pt.x - ay.x);
pt2 = this.util.lineSub(pt.x, pt.y, px, py, (dist-offdist));
return {
x: pt2.x,
y: pt2.y,
width:20
};
},
setLabelZ: function(){
// summary:
// Custom placement for z-axis label
//
var c = this.points[1];
var z = this.points[3];
var dist = 40;
var offdist = 20;
var pt, px, py, pt2;
pt = this.util.lineSub(c.x, c.y, z.x, z.y, dist);
px = pt.x + (pt.y - z.y);
py = pt.y + (z.x - pt.x);
pt2 = this.util.lineSub(pt.x, pt.y, px, py, (dist-offdist));
return {
x:pt2.x,
y:pt2.y,
width:20
}
},
setLabel: function(/* ? String*/value){
// summary:
// Set the text of the labels. The text would be
// broken up into the two labels.
// arguments:
// value: [optional] String
// If no argument is passed, defaults to two labels
// 'x' and 'y'. If an argument is passed, that
// text will be split on the word 'and' to determine
// the two labels.
//
if(this._labelsCreated){ return; }
!this.labelX && this.createLabels();
var x = "x";
var y = "y";
var z = "z";
if(value){
// match first "and" or "&" and trim whitespace.
// Non-greedy matches are not supported in older
// browsers such as Netscape Navigator 4 or
// Microsoft Internet Explorer 5.0.
if(this.labelZ){
var lbls = value.match(/(.*?)(and|&)(.*?)(and|&)(.*)/i);
if(lbls.length>4){
x = lbls[1].replace(/^\s+/,"").replace(/\s+$/,"");
y = lbls[3].replace(/^\s+/,"").replace(/\s+$/,"");
z = lbls[5].replace(/^\s+/,"").replace(/\s+$/,"");
}
}else{
var lbls = value.match(/(.*?)(and|&)(.*)/i);
if(lbls.length>2){
x = lbls[1].replace(/^\s+/,"").replace(/\s+$/,"");
y = lbls[3].replace(/^\s+/,"").replace(/\s+$/,"");
}
}
}
this.labelX.setLabel(x);
this.labelY.setLabel(y);
if(this.labelZ){
this.labelZ.setLabel(z);
}
this._labelsCreated = true;
},
getLabel: function(){
// summary:
// Getter for the labels. returns an object.
//
if(!this.labelX){ return null; }
return {
x:this.labelX.getText(),
y:this.labelY.getText(),
z:this.labelZ?this.labelZ.getText():null
}; // Object
},
anchorPositionCheck: function(/*Number*/x, /*Number*/y, /*manager.Anchor*/anchor){
// summary:
// Gets called from anchor to check if its current
// position is ok. If not, its x or y transform will
// be changed until this passes.
//
var pm = this.container.getParent().getTransform();
var am = anchor.shape.getTransform();
// the xaxis point has changed and is not yet set as a point
// - but the center should be good (except for the transform).
// Now check the yaxis point.
var p = this.points;
var o = {x:am.dx+anchor.org.x+pm.dx, y:am.dy+anchor.org.y+pm.dy};
var c = {x:p[1].x+pm.dx, y:p[1].y+pm.dy};
var ox = c.x - (c.y - o.y);
var oy = c.y - (o.x - c.x);
return {x:ox, y:oy};
},
onTransformBegin: function(/*manager.Anchor*/anchor){
// summary:
// Overwrites _Base.onTransformBegin
//
// called from anchor point up mouse down
this._isBeingModified = true;
},
onTransformEnd: function(/*manager.Anchor*/anchor){
// summary:
// Overwrites _Base.onTransformEnd
//
// Gets called on anchor mouseup
// also gets called by checkBounds - we don't want that.
if(!anchor){ return; }
// tell anchor to go to prev point if wrong
// called from anchor point up mouse up
this._isBeingModified = false;
//this.deselect();
this._toggleSelected();
console.log("before:", Math.ceil(this.points[1].x), " x ", Math.ceil(this.points[1].y))
var o = this.points[0];
var c = this.points[1];
var obj = {start:{x:c.x,y:c.y},x:o.x, y:o.y};
var pt = this.util.constrainAngle(obj, 0, 89);
var zpt = this.style.zAxisEnabled ? this.zPoint(obj) : null;
if(pt.x==o.x && pt.y == o.y){
// we're within the constraint, so now we snap
pt = this.util.snapAngle(obj, this.angleSnap/180);
obj.x = pt.x;
obj.y = pt.y;
var ox = obj.start.x - (obj.start.y - obj.y);
var oy = obj.start.y - (obj.x - obj.start.x);
if(ox<0 || oy<0){
console.warn("AXES ERROR LESS THAN ZERO - ABORT");
return;
}
this.points = [{x:obj.x, y:obj.y}, {x:obj.start.x, y:obj.start.y, noAnchor:true}];
this.points.push({x:ox, y:oy, noAnchor:true});
if(zpt){ this.points.push(zpt);}
this.setPoints(this.points);
//this.select();
this.onModify(this);
return;
}
// we're outside of the constraint. Set to the low or high.
this.points[0].x = pt.x
this.points[0].y = pt.y;
o = this.points[0];
var ox = c.x - (c.y - o.y);
var oy = c.y - (o.x - c.x);
this.points[2] = {x:ox, y:oy, noAnchor:true};
if(zpt){ this.points.push(zpt); }
this.setPoints(this.points);
// reset handles render
//anchor.reset(this);
this.labelX.setLabel();
this.labelY.setLabel();
if(this.labelZ){
this.labelZ.setLabel();
}
//this.select();
this.onModify(this);
},
getBounds: function(/*Boolean*/absolute){
// summary:
// Custom getBounds overwrites _Base.getBounds
//
var px = this.points[0],
pc = this.points[1],
py = this.points[2];
if(this.style.zAxisEnabled){ var pz = this.points[3]; }
if(absolute){
var bounds = {
x:pc.x,
y:pc.y,
x1:pc.x,
y1:pc.y,
x2:px.x,
y2:px.y,
x3:py.x,
y3:py.y
};
if(this.style.zAxisEnabled){
bounds.x4 = pz.x;
bounds.y4 = pz.y;
}
return bounds;
}
var x1 = this.style.zAxisEnabled ? (py.x < pz.x ? py.x : pz.x) : py.x;
y1 = py.y < px.y ? py.y : px.y,
x2 = px.x,
y2 = this.style.zAxisEnabled ? pz.y : pc.y;
return {
x1:x1,
y1:y1,
x2:x2,
y2:y2,
x:x1,
y:y1,
w:x2-x1,
h:y2-y1
};
},
_postSetPoints: function(/*Array*/pts){
// summary:
// Because Axes only has one anchor,
// we substitute a special setPoints method
//
this.points[0] = pts[0];
if(this.pointsToData){
this.data = this.pointsToData();
}
},
onTransform: function(/*Number*/anchor){
// summary:
// Overwrites _Base.onTransform
//
// the xaxis point has changed - the center will not.
// need to find the yaxis point.
var o = this.points[0];
var c = this.points[1];
var ox = c.x - (c.y - o.y);
var oy = c.y - (o.x - c.x);
// 'noAnchor' on a point indicates an anchor should
// not be rendered. This is the Y point being set.
this.points[2] = {x:ox, y:oy, noAnchor:true};
if(this.style.zAxisEnabled){
this.points[3] = this.zPoint({start:{x:c.x, y:c.y}, x:o.x, y:o.y});
}
this.setPoints(this.points);
if(!this._isBeingModified){
this.onTransformBegin();
}
this.render();
},
pointsToData: function(){
//summary:
// Converts points to data.
var p = this.points;
var d = {
x1:p[1].x,
y1:p[1].y,
x2:p[0].x,
y2:p[0].y,
x3:p[2].x,
y3:p[2].y
}
if(this.style.zAxisEnabled){
d.x4 = p[3].x;
d.y4 = p[3].y;
d.cosphi = 1;
}
return d;
},
getRadius: function(){
//summary:
// Possibility of z-axis makes bounds unreliable.
// Use these points instead.
var p = this.points;
var line = {start:{x:p[1].x, y:p[1].y}, x:p[0].x, y:p[0].y};
return this.util.length(line);
},
dataToPoints: function(/* ? Object*/o){
//summary:
// Converts data to points.
o = o || this.data;
if(o.radius || o.angle){
// instead of using x1,x2,y1,y1,
// it's been set as x,y,angle,radius
var pt = this.util.pointOnCircle(o.x,o.y,o.radius,o.angle), zpt;
var ox = o.x - (o.y - pt.y);
var oy = o.y - (pt.x - o.x);
if((o.cosphi && o.cosphi==1) || this.style.zAxisEnabled){
this.style.zAxisEnabled = true;
zpt = this.util.pointOnCircle(o.x, o.y, o.radius*this.zScale, this.style.zAngle);
}
this.data = o = {
x1:o.x,
y1:o.y,
x2:pt.x,
y2:pt.y,
x3:ox,
y3:oy
}
if(this.style.zAxisEnabled){
this.data.x4 = o.x4 = zpt.x;
this.data.y4 = o.y4 = zpt.y;
this.data.cosphi = 1;
}
}
this.points = [
{x:o.x2, y:o.y2},
{x:o.x1, y:o.y1, noAnchor:true},
{x:o.x3, y:o.y3, noAnchor:true}
];
if(this.style.zAxisEnabled){ this.points.push({x:o.x4, y:o.y4, skip:true, noAnchor:true}); }
return this.points;
},
onDrag: function(/*EventObject*/obj){
// summary: See stencil._Base.onDrag
//
var pt = this.util.constrainAngle(obj, 0, 89);
obj.x = pt.x;
obj.y = pt.y;
var ox = obj.start.x - (obj.start.y - obj.y);
var oy = obj.start.y - (obj.x - obj.start.x);
if(ox<0 || oy<0){
return;
}
this.points = [{x:obj.x, y:obj.y}, {x:obj.start.x, y:obj.start.y, noAnchor:true}];
this.points.push({x:ox, y:oy, noAnchor:true});
if(this.style.zAxisEnabled){
var zpt = this.zPoint(obj);
this.points.push(zpt);
}
this.render();
},
onUp: function(/*EventObject*/obj){
// summary: See stencil._Base.onUp
//
if(!this._downOnCanvas){ return; }
this._downOnCanvas = false;
var p = this.points;
if(!p.length){
var s = obj.start, d = 100;
this.points = [
{x:s.x+d, y:s.y+d},
{x:s.x, y:s.y+d, noAnchor:true},
{x:s.x, y:s.y, noAnchor:true}
];
if(this.style.zAxisEnabled){
var zpt = this.zPoint({start:{x:s.x, y:s.y+d}, x:s.x+d, y:s.y+d});
this.points.push(zpt);
}
this.setPoints = this._postSetPoints;
this.pointsToData();
this.render();
this.onRender(this);
return;
}
var len = this.util.distance(p[1].x ,p[1].y ,p[0].x ,p[0].y );
if(!p || !p.length){
return;
}else if(len < this.minimumSize){
this.remove(this.shape, this.hit);
this.xArrow.remove(this.xArrow.shape, this.xArrow.hit);
this.yArrow.remove(this.yArrow.shape, this.yArrow.hit);
if(this.zArrow){
this.zArrow.remove(this.zArrow.shape, this.zArrow.hit);
}
return;
}
var o = p[0];
var c = p[1];
obj = {start:{x:c.x,y:c.y},x:o.x,y:o.y};
var pt = this.util.snapAngle(obj, this.angleSnap/180);
obj.x = pt.x;
obj.y = pt.y;
var ox = obj.start.x - (obj.start.y - obj.y);
var oy = obj.start.y - (obj.x - obj.start.x);
if(ox<0 || oy<0){
return;
}
this.points = [{x:obj.x, y:obj.y}, {x:obj.start.x, y:obj.start.y, noAnchor:true}];
this.points.push({x:ox, y:oy, noAnchor:true});
if(this.style.zAxisEnabled){ this.points.push(this.zPoint(obj)); }
this.onRender(this);
this.setPoints = this._postSetPoints;
}
}
);
dojox.drawing.tools.custom.Axes.setup = {
// summary: See stencil._Base ToolsSetup
//
name:"dojox.drawing.tools.custom.Axes",
tooltip:"Axes Tool",
iconClass:"iconAxes"
};
dojox.drawing.register(dojox.drawing.tools.custom.Axes.setup, "tool");
});