carousel palette selection, added default colors

config.yml

@@ -1,4 +1,3 @@
-theme: dark
 runcharts:
 - title: SEARCH ENGINE RESPONSE TIME (sec)
   precision: 3
@@ -8,16 +7,17 @@ runcharts:
   size:
     w: 30
     h: 20
-  legend:
-    enabled: true
-    details: true
   items:
-  - script: curl -o /dev/null -s -w '%{time_total}'  https://www.google.com/
+  - label: GOOGLE
-    label: GOOGLE
+    script: curl -o /dev/null -s -w '%{time_total}'  https://www.google.com
-  - script: curl -o /dev/null -s -w '%{time_total}'  https://search.yahoo.com/
+  - label: YAHOO
-    label: YAHOO
+    script: curl -o /dev/null -s -w '%{time_total}'  https://search.yahoo.com
-  - script: curl -o /dev/null -s -w '%{time_total}'  https://www.bing.com/
+  - label: YANDEX
-    label: BING
+    script: curl -o /dev/null -s -w '%{time_total}'  https://yandex.com
+  - label: BING
+    script: curl -o /dev/null -s -w '%{time_total}'  https://www.bing.com
+  - label: DDGO
+    script: curl -o /dev/null -s -w '%{time_total}'  https://duckduckgo.com
 - title: SEARCH ENGINE RESPONSE TIME 2 (sec)
   refresh-rate-ms: 5000
   position:
@@ -30,12 +30,12 @@ runcharts:
     enabled: true
     details: false
   items:
-  - script: curl -o /dev/null -s -w '%{time_total}'  https://www.google.com/
+  - label: GOOGLE
-    label: GOOGLE
+    script: curl -o /dev/null -s -w '%{time_total}'  https://www.google.com
-  - script: curl -o /dev/null -s -w '%{time_total}'  https://search.yahoo.com/
+  - label: YAHOO
-    label: YAHOO
+    script: curl -o /dev/null -s -w '%{time_total}'  https://search.yahoo.com
-  - script: curl -o /dev/null -s -w '%{time_total}'  https://www.bing.com/
+  - label: BING
-    label: BING
+    script: curl -o /dev/null -s -w '%{time_total}'  https://www.bing.com
 - title: MONGO COLLECTIONS COUNT
   position:
     w: 15
@@ -44,5 +44,5 @@ runcharts:
     w: 15
     h: 10
   items:
-  - script: mongo --quiet --host=localhost blog --eval "db.getCollection('post').find({}).size()"
+  - label: POSTS
-    label: POSTS
+    script: mongo --quiet --host=localhost blog --eval "db.getCollection('post').find({}).size()"

config/default.go

@@ -41,17 +41,18 @@ func (c *Config) setDefaultValues() {
 }
 
 func (c *Config) setDefaultLayout() {
-
+	// TODO auto-arrange components
 }
 
 func (c *Config) setDefaultColors() {
 
 	palette := console.GetPalette(*c.Theme)
+	colorsCount := len(palette.Colors)
 
-	for i, chart := range c.RunCharts {
+	for _, chart := range c.RunCharts {
 		for j, item := range chart.Items {
 			if item.Color == nil {
-				item.Color = &palette.Colors[i+j] // TODO handle out of range case
+				item.Color = &palette.Colors[j%colorsCount]
 				chart.Items[j] = item
 			}
 		}

console/palette.go

@@ -16,10 +16,13 @@ const (
 	ColorOlive       ui.Color = 178
 	ColorDeepSkyBlue ui.Color = 39
 	ColorDeepPink    ui.Color = 198
+	ColorCian        ui.Color = 43
+	ColorOrange      ui.Color = 166
+	ColorPurple      ui.Color = 129
+	ColorGreen       ui.Color = 64
 	ColorDarkGrey    ui.Color = 240
 	ColorWhite       ui.Color = 7
 	ColorBlack       ui.Color = 0
-	ColorClear       ui.Color = -1
 )
 
 type Palette struct {
@@ -30,9 +33,9 @@ type Palette struct {
 func GetPalette(theme Theme) Palette {
 	switch theme {
 	case ThemeDark:
-		return Palette{Colors: []ui.Color{ColorOlive, ColorDeepSkyBlue, ColorDeepPink, ColorOlive, ColorDeepSkyBlue, ColorDeepPink}}
+		return Palette{Colors: []ui.Color{ColorOlive, ColorDeepSkyBlue, ColorDeepPink, ColorWhite, ColorPurple, ColorCian, ColorOrange, ColorGreen}}
 	case ThemeLight:
-		return Palette{Colors: []ui.Color{ColorOlive, ColorDeepSkyBlue, ColorDeepPink, ColorOlive, ColorDeepSkyBlue, ColorDeepPink}}
+		return Palette{Colors: []ui.Color{ColorOlive, ColorDeepSkyBlue, ColorDeepPink, ColorWhite, ColorPurple, ColorCian, ColorOrange, ColorGreen}}
 	default:
 		panic(fmt.Sprintf("Following theme is not supported: %v", theme))
 	}

data/item.go

@@ -7,8 +7,8 @@ import (
 )
 
 type Item struct {
-	Script string    `yaml:"script"`
 	Label  string    `yaml:"label"`
+	Script string    `yaml:"script"`
 	Color  *ui.Color `yaml:"color,omitempty"`
 }