SmartApp: List Edit Example

list-edit-example.groovy

/**
 *  List Edit Example
 *
 *  Copyright 2014 Bob Florian
 *
 *  Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
 *  in compliance with the License. You may obtain a copy of the License at:
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software distributed under the License is distributed
 *  on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License
 *  for the specific language governing permissions and limitations under the License.
 *
 */
definition(
    name: "List Edit Example",
    namespace: "bflorian",
    author: "Bob Florian",
    description: "SmartApp that allows editing of a list",
    category: "",
    iconUrl: "https://s3.amazonaws.com/smartapp-icons/Convenience/Cat-Convenience.png",
    iconX2Url: "https://s3.amazonaws.com/smartapp-icons/Convenience/Cat-Convenience@2x.png",
    iconX3Url: "https://s3.amazonaws.com/smartapp-icons/Convenience/Cat-Convenience@2x.png")


preferences {
	page name: "mainPage", title: "A list of things", install: true, uninstall: true 
    page name: "editPage", title: "Edit a thing"
    page name: "deletePage", title: "Delete a thing"
    page name: "doDelete", title: "Actually do the delete"
}

def installed() {
	log.debug "Installed with settings: ${settings}"

	state.things = []
}

def updated() {
	log.debug "Updated with settings: ${settings}"
}

def initialize() {
	// TODO: subscribe to attributes, devices, locations, etc.
}

def mainPage() {
	dynamicPage(name: "mainPage") {
    	section {
        	settings.sort{it.value}.each {
                def key = it.key
                def value = it.value
            	if (value) {
            		href "editPage", title: "$value", params: [key: key], description: "", state: "complete"
                }
            }
        }
        section {
            href "editPage", title: "New Thing", params: [key: nextKey()], description: ""
        }
    }
}

def editPage(params) {
	dynamicPage(name: "editPage", title: "Edit ${settings[params.key]}") {
    	section {
        	input params.key, "text", title: "Name"
		}
        if (settings[params.key]) {
            section {
                href "deletePage", title: "Delete", params: [key: params.key], description: "" 	
            }
        }
    }
}

def deletePage(params) {
	dynamicPage(name: "deletePage", title: "Delete ${settings[params.key]}?") {
    	section {
            href "doDelete", title: "Yes", params: [key: params.key], description: ""  
        }
        section {
            href "editPage", title: "No", params: [key: params.key], description: ""  
        }
    }
}

def doDelete(params) {
	app.updateSetting(params.key, "")
    mainPage()
}

private nextKey() {
	def n = -1
    settings.each {k,v ->
    	n = Math.max(n, (k - "name").toInteger()) + 1
    }
    def key = "name$n"
    log.trace key
    key
}