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add Canvas.example.js

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This commit is contained in:
shaoying 2019-07-05 21:33:31 +08:00
parent 13c9d07f71
commit b27e3064d1
5 changed files with 277 additions and 2 deletions
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2
src/contexts/cli/version.go
View File

@ -4,5 +4,5 @@ var version = struct {
host string
self int
}{
"2019-07-05 08:16:40", "com.mac", 41,
"2019-07-05 20:11:19", "ZYB-20190522USI", 120,
}

10
src/contexts/nfs/nfs.go
View File

@ -1390,6 +1390,16 @@ var Index = &ctx.Context{Name: "nfs", Help: "存储中心",
}},
"draw": &ctx.Command{Name: "draw", Help: "", Hand: func(m *ctx.Message, c *ctx.Context, key string, arg ...string) (e error) {
m.Add("append", "data", 10)
m.Add("append", "data", 40)
m.Add("append", "data", 30)
m.Add("append", "data", 20)
m.Add("append", "seed", 30)
m.Add("append", "seed", 20)
m.Add("append", "seed", 30)
m.Add("append", "seed", 40)
return
for len(arg) > 0 {
switch arg[0] {
case "trend":

10
src/contexts/ssh/ssh.go
View File

@ -235,7 +235,15 @@ var Index = &ctx.Context{Name: "ssh", Help: "集群中心",
map[string]interface{}{"type": "text", "name": "type"},
map[string]interface{}{"type": "button", "value": "查看"},
},
"display": map[string]interface{}{"deal": "point"},
"display": map[string]interface{}{"deal": "trend"},
},
map[string]interface{}{"componet_name": "draw", "componet_help": "绘图",
"componet_tmpl": "componet", "componet_view": "Context", "componet_init": "",
"componet_type": "public", "componet_ctx": "nfs", "componet_cmd": "dir",
"componet_args": []interface{}{"src", "dir_deep", "path", "line", "size", "dir_sort", "line", "int_r"}, "inputs": []interface{}{
map[string]interface{}{"type": "button", "value": "查看"},
},
"display": map[string]interface{}{"deal": "trend"},
},
},
"index": []interface{}{

3
usr/librarys/example.css
View File

@ -173,6 +173,9 @@ fieldset.Login>form.option button {
fieldset.item>div.output {
overflow:auto;
}
fieldset.item>div.output>canvas {
background-color:#8dd09e;
}
.hidden {
display:none;

254
usr/librarys/example.js
View File

@ -739,6 +739,26 @@ function Plugin(page, pane, field) {
});
(display.show_result || !msg.append) && msg.result && kit.OrderCode(kit.AppendChild(output, [{view: ["code", "div", msg.Results()]}]).first)
},
trend: function(msg) {
var id = "canvas"+page.ID()
var width = output.clientWidth-40, height = 230, space = 10
var action = kit.AppendChild(output, [{view: ["action"]}]).last
var item = kit.AppendChild(output, [{view: ["draw", "canvas"], data: {id: id, width: width+20, height: height+20}}]).last
var point = kit.AppendChild(output, [{text: ["point"]}]).last
canvas = item.getContext("2d")
cc = Canvas(canvas, width, height, space, msg).drawData()
for (var k in cc.button) {
kit.AppendChild(action, [{button: [k, cc.button[k]]}])
}
item.onclick = function(event) {
cc.pushPoint(point, event.offsetX-space, height-event.offsetY+space, event.clientX, event.clientY)
}
item.onmousemove = function(event) {
cc.movePoint(point, event.offsetX-space, height-event.offsetY+space, event.clientX, event.clientY)
}
},
point: function(msg) {
var id = "canvas"+page.ID()
var canvas = kit.AppendChild(output, [{view: ["draw", "canvas"], data: {id: id, width: output.clientWidth-15}}]).last.getContext("2d")
@ -824,3 +844,237 @@ function Plugin(page, pane, field) {
plugin.init(page, pane, field, option, output)
return page[field.id] = pane[field.id] = plugin.Field = field, field.Plugin = plugin
}
function Canvas(canvas, width, height, space, msg) {
var type = "weight"
var shape = "drawLine"
var what = {
reset: function() {
canvas.resetTransform()
canvas.clearRect(0, 0, width+20*space, height+20*space)
},
drawAxies: function(space, style) {
this.reset()
canvas.setTransform(1, 0, 0, -1, space, height)
canvas.beginPath()
canvas.moveTo(-10, 0)
canvas.lineTo(width+space, 0)
canvas.moveTo(0, -10)
canvas.lineTo(0, height+space)
canvas.strokeStyle = style||"gray"
canvas.lineWidth = 2
canvas.stroke()
return this
},
drawXLabel: function(step) {
canvas.beginPath()
for (var pos = step; pos < width; pos += step) {
canvas.moveTo(pos, 0)
canvas.lineTo(pos, -5)
}
canvas.strokeStyle = "red"
canvas.lineWidth = 2
canvas.stroke()
return this
},
drawYGrid: function(step) {
canvas.beginPath()
for (var pos = step; pos < height; pos += step) {
canvas.moveTo(-5, pos)
canvas.lineTo(width, pos)
}
canvas.strokeStyle = "#999"
canvas.lineWidth = 1
canvas.stroke()
return this
},
drawData: function() {
var col = msg.append.length
var row = msg[msg.append[0]].length
var step = width / (row - 1)
switch (type) {
case "trend":
this.drawAxies(10).drawXLabel(step)
canvas.beginPath()
msg.append.forEach(function(key) {
var max = 0
msg[key].forEach(function(value, index, array) {
parseInt(value) > max && (max = parseInt(value))
})
msg[key].forEach(function(value, index, array) {
if (index == 0) {
canvas.moveTo(0, value/max*height)
} else {
canvas.lineTo(step*index, value/max*height)
}
})
})
canvas.strokeStyle = "black"
canvas.lineWidth = 1
canvas.stroke()
break
case "weight":
this.reset()
var nline = 0
msg.append.forEach(function(key, index) {
!isNaN(parseInt(msg[key][0])) && nline++
})
var space = width / (nline+1)
var order = 0
msg.append.forEach(function(key, index) {
if (isNaN(parseInt(msg[key][0]))) {
return
}
order++
canvas.resetTransform()
canvas.setTransform(1, 0, 0, -1, space*order, height/2)
var total = 0
msg[key].forEach(function(value, index, array) {
total += parseInt(value)/1
})
var sum = 0
msg[key].forEach(function(value, index, array) {
value = parseInt(parseInt(value)/1)
if ((value)/total < 0.01) {
return
}
canvas.beginPath()
canvas.moveTo(0, 0)
var a = sum/total*Math.PI*2
var b = (sum+value)/total*Math.PI*2
kit.Log(a, b)
canvas.arc(0, 0, (space/2)-20, a, b, false)
canvas.closePath()
canvas.strokeStyle = "black"
canvas.lineWidth = 1
canvas.stroke()
sum+=value
})
})
break
}
return this
},
view: [],
drawView: function() {
var that = this
this.view.forEach(function(view) {
that[view.type](view.meta)
})
},
drawPoint: function(meta) {
canvas.save()
canvas.translate(meta.x0, meta.y0)
canvas.beginPath()
canvas.moveTo(-10, 0)
canvas.lineTo(10, 0)
canvas.moveTo(0, -10)
canvas.lineTo(0, 10)
canvas.strokeStyle = meta.style
canvas.stroke()
canvas.restore()
return meta
},
drawLine: function(meta) {
canvas.save()
canvas.beginPath()
canvas.moveTo(meta.x0, meta.y0)
canvas.lineTo(meta.x1, meta.y1)
canvas.strokeStyle = meta.style
canvas.stroke()
canvas.restore()
return meta
},
drawRect: function(meta) {
canvas.save()
canvas.strokeStyle = meta.style
canvas.strokeRect(meta.x0, meta.y0, meta.x1-meta.x0, meta.y1-meta.y0)
canvas.restore()
return meta
},
drawCircle: function(meta) {
var r = Math.sqrt((meta.x1-meta.x0)*(meta.x1-meta.x0)+(meta.y1-meta.y0)*(meta.y1-meta.y0))
canvas.save()
canvas.beginPath()
canvas.arc(meta.x0, meta.y0, r, 0, Math.PI*2, true)
canvas.strokeStyle = meta.style
canvas.stroke()
canvas.restore()
return meta
},
drawEllipse: function(meta) {
var r0 = Math.abs(meta.x1-meta.x0)
var r1 = Math.abs(meta.y1-meta.y0)
canvas.save()
canvas.beginPath()
canvas.translate(meta.x0, meta.y0)
if (r1 > r0) {
canvas.scale(1, r1/r0)
canvas.arc(0, 0, r1, 0, Math.PI*2, true)
//
// canvas.scale((meta.x1-meta.x0)/(meta.y1-meta.y0), (meta.y1-meta.y0)/(meta.x1-meta.x0))
// canvas.arc(0, 0, Math.sqrt((meta.y1-meta.y0)*(meta.x1-meta.x0)), 0, Math.PI*2, true)
} else {
canvas.scale(r0/r1, 1)
canvas.arc(0, 0, r0, 0, Math.PI*2, true)
}
canvas.strokeStyle = meta.style
canvas.stroke()
canvas.restore()
return meta
},
shape: "drawLine",
movePoint: function(point, x, y) {
if (this.begin) {
this.drawData()
this.drawView()
this[shape]({x0: this.begin.x, y0: this.begin.y, x1: x, y1: y})
// this.drawRect({x0: this.begin.x, y0: this.begin.y, x1: x, y1: y, style: "red"})
}
point.innerHTML = x+","+y
},
pushPoint: function(point, x, y) {
if (this.begin) {
this.view.push({type: "drawPoint", meta: this["drawPoint"]({x0: x, y0: y, style: "red"})})
this.view.push({type: shape, meta: this[shape]({x0: this.begin.x, y0: this.begin.y, x1: x, y1: y})})
delete(this.begin)
} else {
this.view.push({type: "drawPoint", meta: this["drawPoint"]({x0: x, y0: y, style: "red"})})
this.begin = {x: x, y:y}
}
},
button: {
"trend": function() {
type = "trend"
what.drawData()
},
"weight": function() {
type = "weight"
what.drawData()
},
"line": function() {
shape = "drawLine"
},
"rect": function() {
shape = "drawRect"
},
"circle": function() {
shape = "drawCircle"
},
"ellipse": function() {
shape = "drawEllipse"
},
},
}
return what
}