swinging-needle-meter/src/cljs/swinging_needle_meter/views.cljs
2017-07-11 17:51:17 +01:00

104 lines
6.6 KiB
Clojure

(ns swinging-needle-meter.views
(:require [re-frame.core :as re-frame]
[re-com.core :refer [h-box v-box box gap line label title progress-bar slider checkbox p]]
[swinging-needle-meter.swinging-needle-meter :refer [swinging-needle-meter swinging-needle-args-desc]]
[swinging-needle-meter.utils :refer [panel-title title2 args-table github-hyperlink status-text]]
[reagent.core :as reagent]))
;; ------------------------------------------------------------------------------------
;; Demo: swinging-needle-meter
;; ------------------------------------------------------------------------------------
(defn swinging-needle-demo
[]
(let [value (reagent/atom 75)
setpoint (reagent/atom 75)]
(fn
[]
[v-box
:size "auto"
:gap "10px"
:children [[panel-title "Swinging needle meter"]
[h-box
:gap "100px"
:children [[v-box
:gap "10px"
:width "450px"
:children [[title2 "Notes"]
[status-text "Wildly experimental"]
[p "An SVG swinging needle meter intended to be useful in dashboards."]
[p "Note that the cursor will vanish if the setpoint is null or is less than or equal to min-value; this is intentional."]
[p "Note that if the value of model is lower then min-value or greater than max-value,
it will be limited as it would be on a mechanical meter."]
[p "You can hide the redzone by setting its style to the style 'snm-scale', or by setting 'warn-value' equal to 'max-value'."]
[title2 "Behaviour"]
[p "min-value and max-value must be numbers; max-value must be greater than min-value.
The default behaviour is of a swinging needle meter with the needle deflection proportional
to the value of the model (also a number) expressed as a proportion of the difference between
min-value and max-value."]
[p "A red-zone can be introduced by setting a value for warn-value between min-value and max-value. Additionally, if
the value of model exceeds warn-value the class alarm-class will be set on the meter indicating a warning state."]
[p "A cursor can be shown by setting the value of set-point between min-value and max-value. A tolerance value can be specified
by setting a value for tolerance. If the difference between the model value and the setpoint value is less than the tolerance
value, the class target-class will be set on the meter to indicate an on-target status. The setpoint value, like the model value,
may change dynamically at run-time."]
[args-table swinging-needle-args-desc]]]
[v-box
:gap "10px"
:children [[title2 "Demo"]
[v-box
:gap "20px"
:children [[swinging-needle-meter
:model value
:setpoint setpoint
:unit "Mw"
;; :min-value 20
;; :warn-value 35
;; :max-value 40
;; :max-value (aget js/Math "PI")
:tolerance 2
:alarm-class "snm-warning"
:gradations 5
:height 300
:width 500]
[title :level :level3 :label "Parameters"]
[h-box
:gap "10px"
:children [[box :align :start :child [:code ":model"]]
[slider
:model value
:min 0
:max 100
:width "200px"
:on-change #(reset! value %)]
[label :label @value]]]
[h-box
:gap "10px"
:children [[box :align :start :child [:code ":setpoint"]]
[slider
:model setpoint
:min 0
:max 100
:width "200px"
:on-change #(reset! setpoint %)]
[label :label @setpoint]]]
]]]]]]]])))
;; core holds a reference to panel, so need one level of indirection to get figwheel updates
(defn panel
[]
[swinging-needle-demo])
(defn main-panel []
(fn []
[v-box
:height "100%"
:children [[swinging-needle-demo]]]))