From 7903b16c1cfa93e2683e140019afabdd86a6f34a Mon Sep 17 00:00:00 2001
From: bnewbold <bnewbold@manus.(none)>
Date: Sun, 16 Sep 2007 22:48:06 -0400
Subject: BROKEN, started work on symbols + vars interface

---
 equations/models.py                                |   2 +
 equations/templates/equations/variable_detail.html |   2 +-
 equations/views.py                                 |  16 +-
 templates/go.html                                  | 171 +++++++++++++++++++--
 urls.py                                            |   5 +-
 5 files changed, 174 insertions(+), 22 deletions(-)

diff --git a/equations/models.py b/equations/models.py
index 6791eb2..d011181 100644
--- a/equations/models.py
+++ b/equations/models.py
@@ -33,6 +33,8 @@ class Symbol(models.Model):
         self.render = self.renderdir + "%s.png" % self.id
         super(Symbol, self).save()
 
+dispatcher.connect(update_render, signal=signals.pre_save, sender=Symbol)
+
 def update_generic_variable(sender, instance, signal, *args, **kwargs):
     """Checks if there is a generic variable associated with this
         symbol; create one if there isn't"""
diff --git a/equations/templates/equations/variable_detail.html b/equations/templates/equations/variable_detail.html
index 6488de2..05c432f 100644
--- a/equations/templates/equations/variable_detail.html
+++ b/equations/templates/equations/variable_detail.html
@@ -14,7 +14,7 @@
   <tr><td><b>Reference:</b></td><td>
   <a href="{{ object.reference }}">{{ object.reference }}</a></td></tr>
 {% endif %}
-  <tr><td><b>Raw LaTeX:</b></td><td><pre>{{ object.latex }}</pre></td></tr>
+  <tr><td width="25%"><b>Raw LaTeX:</b></td><td><pre>{{ object.latex }}</pre></td></tr>
 {% if object.unicode %}
   <tr><td><b>Unicode:</b></td><td>{{ object.unicode }}</td></tr>
 {% endif %}
diff --git a/equations/views.py b/equations/views.py
index 9ef1081..41309c1 100644
--- a/equations/views.py
+++ b/equations/views.py
@@ -2,11 +2,11 @@ from django.core import serializers
 from models import Equation, Variable, Symbol
 from django.http import HttpResponse
 
-def all_vars(request):
+def all_variables(request):
     data = serializers.serialize("json", Variable.objects.all())
     return HttpResponse(data, mimetype="text/javascript")
 
-def all_symbs(request):
+def all_symbols(request):
     data = serializers.serialize("json", Symbol.objects.all())
     return HttpResponse(data, mimetype="text/javascript")
 
@@ -27,3 +27,15 @@ def equs_by_vars(request, whichvars):
     
     data = serializers.serialize("json", returnables)
     return HttpResponse(data, mimetype="text/javascript")
+
+
+def vars_by_symbs(request, which_symbols):
+    vars = which_symbols.split(',')
+    if len(vars) < 1 or which_symbols == '':
+        return HttpResponse('[]', mimetype="text/javascript")
+    if vars[-1] == '/' or vars[-1] == '':
+        vars = vars[:-1]
+    returnables = Variable.objects.filter(symbol=vars[0])
+    
+    data = serializers.serialize("json", returnables)
+    return HttpResponse(data, mimetype="text/javascript")
diff --git a/templates/go.html b/templates/go.html
index 98a2ddb..2617037 100644
--- a/templates/go.html
+++ b/templates/go.html
@@ -5,32 +5,157 @@
 </script>
 <script type="text/javascript">
 var variables = []
+var symbols = []
 var equations = []
 var equationsTMP = []
+var lock = false;
+function get_symbols() {
+    //$('status_bin').innerHTML= "Fetching..."
+    lock = true;
+    var initialSymbolssRequest = new Ajax.Request(
+        "/json/all_symbols/",
+        { method: 'get', 
+          onSuccess: handle_symbols});
+}
 function get_variables() {
     //$('status_bin').innerHTML= "Fetching..."
+    lock = true;
     var initialVariablesRequest = new Ajax.Request(
-        "/json/all_vars/",
+        "/json/all_variables/",
         { method: 'get', 
-          onSuccess: handle_variables });
+          onSuccess: handle_variables});
 }
 
-function handle_variables(transport) {
+function handle_symbols(transport) {
+    lock = false;
     json = transport.responseText.evalJSON();
     //$('status_bin').innerHTML = "Recieved: \n" + json;
-    $('variables_bin').innerHTML = '';
+    $('symbols_bin').innerHTML = '';
     for(i=0; i<json.length; i++) {
-        variables[i] = json[i].fields;
-        $('variables_bin').innerHTML += '<img src="/static/' + 
-            variables[i].render + 
+        symbols[i] = json[i].fields;
+        symbols[i].pk = json[i].pk;
+        $('symbols_bin').innerHTML += '<img src="/static/' + 
+            symbols[i].render + 
             '" style="padding:2px; border: 2px solid white; margin: 4px;" ' +
-            'id="variable'+i+'" ' +
-            'alt="'+variables[i].name+'" onClick="toggle_variable('+i+');">';
-        variables[i].isselected = false;
+            'id="symbol'+i+'" ' +
+            'alt="'+symbols[i].name+'" onClick="toggle_symbol('+i+');">';
+        symbols[i].isselected = false;
     }
 
 }
+function handle_variables(transport) {
+    lock = false;
+    json = transport.responseText.evalJSON();
+    //$('status_bin').innerHTML = "Recieved: \n" + json;
+    if(! $('variables_bin').started) {
+        $('variables_bin').started = true
+        $('variables_bin').innerHTML = '';
+    }
+    if(json.length < 1) {
+        $('variables_bin').innerHTML = '<br />';
+        $('variables_bin').started = false;
+    }
+
+    var symbol = -1;
+    for(i = 0; i<symbols.length; i++) {
+        for(j=0; j<json.length; j++) {
+            if(symbols[i].pk == json[j].fields.symbol) {
+                symbol = i;
+                break;
+            }
+        }
+    }
+    if(symbol == -1) { return; }
+
+    if(!($('set_symbol'+symbol))){
+        $('variables_bin').innerHTML += '<span id="set_symbol' +
+            symbol + '"></span>';
+    }
+    $('set_symbol'+symbol).innerHTML = 
+        '<img src="/static/' + symbols[symbol].render + '" />: ' + 
+        '<span class="clickable" onClick="toggle_allvars(' + symbol +
+        ');" id="all_vars'+symbol+'">(all)</a>'; 
+
+    var prevars = variables.length;
+    for(i=0; i<json.length; i++) {
+        variables[i+prevars] = json[i].fields;
+        variables[i+prevars].pk = json[i].pk;
+        //if(! variables[i+prevars].isgeneric) {
+            $('set_symbol'+symbol).innerHTML += ' ' + 
+            '<span class="clickable" id="variable'+(i+prevars)+'"' + 
+            'onClick="toggle_variable('+(i+prevars)+');">'+
+            variables[i+prevars].name + '</span> ';
+            variables[i+prevars].isselected = false;
+        //}
+    }
+    $('set_symbol'+symbol).innerHTML += '<br />';
+    toggle_allvars(symbol);
+}
+
+function toggle_allvars(snum) {
+    if(lock) return;
+    symbols[snum].isall = true;
+    $('all_vars'+snum).style["border"] = "2px solid green";
+    for(i=0;i<variables.length;i++) {
+        if(variables[i].symbol = snum) {
+            variables[i].isselected = true;
+            if(! variables[i].isgeneric) {
+                $('variable'+i).style["border"] = "2px solid white";
+            }
+        }
+    }
+    var whichvars = ''
+    for(i=0; i<variables.length; i++){
+        if(variables[i].isselected == true){
+            whichvars += variables[i].pk + ","
+        }
+    }
+    
+    //$('status_bin').innerHTML = "Requested: \n" +
+        "/json/equs_by_vars/" + whichvars + "/" + "<br />";
+    lock = true;
+    var freshEquationsRequest = new Ajax.Request(
+        "/json/equs_by_vars/" + whichvars + "/",
+        { method: 'get', 
+          onSuccess: handle_equations});
+}
+
+function toggle_symbol(snum) {
+    if(lock) return;
+    if(symbols[snum].isselected == false) {
+        symbols[snum].isselected = true;
+        $('symbol'+snum).style["border"] = "2px solid green";
+    } else {
+        symbols[snum].isselected = false;
+        $('symbol'+snum).style["border"] = "2px solid white";
+        if($('set_symbol'+snum)) {
+            $('set_symbol'+snum).innerHTML = '';
+        }
+    }
+    var whichsymbols = ''
+    for(i=0; i<symbols.length; i++){
+        if(symbols[i].isselected == true){
+            whichsymbols += symbols[i].pk + ",";
+        }
+    }
+    lock = true;
+    var freshVariablesRequest = new Ajax.Request(
+        "/json/vars_by_symbs/" + whichsymbols + "/",
+        { method: 'get', 
+          onSuccess: handle_variables});
+}
 function toggle_variable(vnum) {
+    if(lock) return;
+    var symbol = variables[vnum].symbol
+    if(symbols[symbol].isall) {
+        $('all_vars'+symbol).style["border"] = "2px solid white"
+        for(i=0;i<variables.length;i++) {
+            if(variables[i].symbol == symbol) {
+                variables[i].isselected = false;
+            }
+        }
+        symbols[symbol].isall = false;
+    }
     if(variables[vnum].isselected == false) {
         variables[vnum].isselected = true;
         $('variable'+vnum).style["border"] = "2px solid green"
@@ -41,32 +166,38 @@ function toggle_variable(vnum) {
     var whichvars = ''
     for(i=0; i<variables.length; i++){
         if(variables[i].isselected == true){
-            whichvars += (i+1) + ","
+            whichvars += variables[i].pk + ","
         }
     }
     
     //$('status_bin').innerHTML = "Requested: \n" +
         "/json/equs_by_vars/" + whichvars + "/" + "<br />";
+    lock = true;
     var freshEquationsRequest = new Ajax.Request(
         "/json/equs_by_vars/" + whichvars + "/",
         { method: 'get', 
           onSuccess: handle_equations});
 }
 function handle_equations(transport) {
+    lock = false;
     //$('status_bin').innerHTML += "Recieved: \n" + transport.responseText;
     json = transport.responseText.evalJSON();
     //$('status_bin').innerHTML += "<br />Recieved: \n" + json;
-    $('equations_bin').innerHTML = '<br />';
+    $('equations_bin').innerHTML = '';
+    if(json.length < 1)
+        $('equations_bin').innerHTML = '<br />';
     for(i=0; i<json.length; i++) {
         equations[json[i].pk-1] = json[i].fields;
+        equations[json[i].pk-1] = json[i].pk;
         equationsTMP[i] = json[i].fields;
+        equationsTMP[i].pk = json[i].pk;
         $('equations_bin').innerHTML += '<a style="text-decoration:none;' +
             'border:none;" href="/equation/'+json[i].pk+'/">' +
             '<img src="/static/' + 
             json[i].fields.render + 
             '" style="padding:2px; border: 2px solid white; margin: 4px;" ' +
             'id="variable'+i+'" ' +
-            'alt="'+json[i].fields.name+'"></a>';
+            'alt="'+json[i].fields.name+'"></a> ';
     }
 
 }
@@ -76,21 +207,27 @@ function handle_equations(transport) {
 
 {% block title %}<span style="color: orange;">YAY!</span>{% endblock %}
 {% block content %}
-<b>Variables<!-- <span onClick="get_variables();">(fetch)</span>-->: </b>
-<div id="variables_bin" style="border: 2px solid black; width: 100%;">
+<b>Symbols<!-- <span onClick="get_variables();">(fetch)</span>-->: </b>
+<div id="symbols_bin" style="border: 2px solid black; width: 100%;">
 (none yet!)
 </div>
 <br />
+<b>Variables<!-- <span onClick="get_variables();">(fetch)</span>-->: </b>
+<div id="variables_bin" style="border: 2px solid black; width: 100%;
+    padding: 3px;">
+(none yet, choose some symbols!)
+</div>
+<br />
 <b>Matching Equations: </b>
 <div id="equations_bin" style="border: 2px solid black; width: 100%;">
 (none yet, choose some variables!)
 </div>
-<span style="visibility: hidden; width=1px, height=1px;">
+<!--<span style="visibility: hidden; width=1px, height=1px;">-->
 <b>Status: </b>
 <div id="status_bin" style="border: 2px solid black; width: 100%;">
 (nothing...)</div>
 </span>
 <script type="text/javascript">
-window.onLoad = get_variables();
+window.onLoad = get_symbols();
 </script>
 {% endblock %}
diff --git a/urls.py b/urls.py
index 1e2f0de..91b32dd 100644
--- a/urls.py
+++ b/urls.py
@@ -25,6 +25,7 @@ urlpatterns += patterns('django.views.generic.list_detail',
 )
 urlpatterns += patterns('equator.equations.views',
     (r'^json/equs_by_vars/(?P<whichvars>[\d\,]*)/?$', 'equs_by_vars'),
-    (r'^json/all_vars/$', 'all_vars'),
-    (r'^json/all_symbs/$', 'all_symbs'),
+    (r'^json/vars_by_symbs/(?P<which_symbols>[\d\,]*)/?$', 'vars_by_symbs'),
+    (r'^json/all_variables/$', 'all_variables'),
+    (r'^json/all_symbols/$', 'all_symbols'),
 )
-- 
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