0

Update JSObserver (reliability, features, config)

* Should now hide/show the div reliably
* Message can now be customised by supplying a dict in the config file
This commit is contained in:
Thomas Lake
2012-05-25 19:05:20 +01:00
parent 942cf8d995
commit 9e8f933956
2 changed files with 53 additions and 13 deletions

View File

@@ -142,17 +142,25 @@ overviewer.views.ProgressView = Backbone.View.extend({
this.el.id = 'progressDiv';
this.el.innerHTML = 'Current Render Progress';
overviewer.map.controls[google.maps.ControlPosition.BOTTOM_RIGHT].push(this.el);
this.hidden = true;
this.el.hidden = true;
$.ajaxSetup({cache: false});
},
updateProgress: function() {
e = this;
$.getJSON('progress.js', null, function(d){
e.el.hidden = false;
e.el.innerHTML = d['message'];
if (d.update > 0) {
setTimeout("e.updateProgress()", d.update);
$.getJSON('progress.json', null, function(d){
console.log(d);
if (!(d == null||d=='')) {
e.el.hidden = false;
e.el.innerHTML = d['message'];
if (d.update > 0) {
setTimeout("e.updateProgress()", d.update);
} else {
setTimeout("e.updateProgress()", 60000);
e.el.innerHTML="Hidden - d.update < 0";
e.el.hidden = true;
}
} else {
e.el.innerHTML="Hidden - !!d==false";
e.el.hidden = true;
}
});

View File

@@ -18,6 +18,7 @@ import logging
import progressbar
import sys
import os
import json
class Observer(object):
"""Base class that defines the observer interface.
@@ -170,21 +171,42 @@ class JSObserver(Observer):
"""Display progress on index.html using JavaScript
"""
def __init__(self, outputdir, minrefresh=5):
def __init__(self, outputdir, minrefresh=5, messages=False):
"""Initialise observer
outputdir must be set to the map output directory path
minrefresh specifies the minimum gap between requests, in seconds
minrefresh specifies the minimum gap between requests, in seconds [optional]
messages is a dictionary which allows the displayed messages to be customised [optional]
"""
self.last_update = -11
self.last_update_time = -1
self._current_value = -1
self.minrefresh = 1000*minrefresh
self.logfile = open(os.path.join(outputdir, "progress.js"), "w+", 0)
self.logfile = open(os.path.join(outputdir, "progress.json"), "w+", 0)
self.json = dict()
if (messages == False):
self.messages=dict(totalTiles="Rendering %d tiles", renderCompleted="Render completed in %02d:%02d:%02d", renderProgress="Rendered %d of %d tiles (%d%%)")
elif (isinstance(messages, dict)):
if (totalTiles in messages and renderCompleted in messages and renderProgress in messages):
self.messages = messages
else:
raise Exception("JSObserver: messages parameter must be a dictionary with three entries: totalTiles, renderCompleted and renderProgress")
else:
raise Exception("JSObserver: messages parameter must be a dictionary with three entries: totalTiles, renderCompleted and renderProgress")
self.json["message"]=""
self.json["update"]=self.minrefresh
self.json["messageTime"]=time.time()
json.dump(self.json, self.logfile)
self.logfile.flush()
def start(self, max_value):
self.logfile.seek(0)
self.logfile.write('{"message": "Rendering %d tiles", "update": %s}' % (max_value, self.minrefresh))
self.logfile.truncate()
self.json["message"] = self.messages["totalTiles"] % (max_value)
self.json["update"] = self.minrefresh
self.json["messageTime"] = time.time()
json.dump(self.json, self.logfile)
self.logfile.flush()
self.start_time=time.time()
self._set_max_value(max_value)
@@ -199,8 +221,15 @@ class JSObserver(Observer):
self.end_time = time.time()
duration = self.end_time - self.start_time
self.logfile.seek(0)
self.logfile.write('{"message": "Render completed in %dm %ds", "update": "false"}' % (duration//60, duration - duration//60))
self.logfile.truncate()
hours = duration // 3600
duration = duration % 3600
minutes = duration // 60
seconds = duration % 60
self.json["message"] = self.messages["renderCompleted"] % (hours, minutes, seconds)
self.json["update"] = -1 # Initially this was set to False, but that runs into some JS strangeness. -1 is less nice, but works
self.json["messageTime"] = time.time()
json.dump(self.json, self.logfile)
self.logfile.close()
def is_finished(self):
@@ -222,10 +251,13 @@ class JSObserver(Observer):
"""
self._current_value = current_value
if self._need_update():
refresh = max(1500*(time.time() - self.last_update_time), self.minrefresh)
refresh = max(1500*(time.time() - self.last_update_time), self.minrefresh) // 1
self.logfile.seek(0)
self.logfile.write('{"message": "Rendered %d of %d tiles (%d%%)", "update": %d }' % (self.get_current_value(), self.get_max_value(), self.get_percentage(), refresh))
self.logfile.truncate()
self.json["message"] = self.messages["renderProgress"] % (self.get_current_value(), self.get_max_value(), self.get_percentage())
self.json["update"] = refresh
self.json["messageTime"] = time.time()
json.dump(self.json, self.logfile)
self.logfile.flush()
self.last_update_time = time.time()
self.last_update = current_value