X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=root%2Fjs%2Fcomponentload.js;h=0cb502e9dfd10f68a419e97dce193cc9e8f5944f;hb=3f9d7ae52124ba47d54d45a7c8e9f57455c9d389;hp=c5e5d3c4000f827fb203c2db577701ca1283cf73;hpb=fb6e49b37b75d81a8a6c7935318a06a5c271b869;p=scpubgit%2Fstemmaweb.git

diff --git a/root/js/componentload.js b/root/js/componentload.js
index c5e5d3c..0cb502e 100644
--- a/root/js/componentload.js
+++ b/root/js/componentload.js
@@ -1,6 +1,360 @@
-function loadTradition( textid ) {
-	$('#stemma_graph').load( "stemma/" + textid );
-	$('#stemma_graph > svg').width('485px');
-	$('#variant_graph').load( "variantgraph/" + textid );
-	$('#variant_graph > svg').height('300px');
-}
\ No newline at end of file
+// Global state variables
+var selectedTextID;
+var selectedTextInfo;
+var selectedStemmaID = -1;
+var stemmata = [];
+
+// Load the names of the appropriate traditions into the directory div.
+function refreshDirectory () {
+	var lmesg = $('#loading_message').clone();
+	$('#directory').empty().append( lmesg.contents() );
+    $('#directory').load( _get_url(["directory"]), 
+    	function(response, status, xhr) {
+			if (status == "error") {
+				var msg = "An error occurred: ";
+				$("#directory").html(msg + xhr.status + " " + xhr.statusText);
+			} else {
+				if( textOnLoad != "" ) {
+					// Call the click callback for the relevant text, if it is
+					// in the page.
+					$('#'+textOnLoad).click();
+					textOnLoad = "";
+				}
+			}
+		}
+	);
+}
+
+// Load a tradition with its information and stemmata into the tradition
+// view pane. Calls load_textinfo.
+function loadTradition( textid, textname, editable ) {
+	selectedTextID = textid;
+    // First insert the placeholder image and register an error handler
+    $('#textinfo_load_status').empty();
+    $('#stemma_graph').empty();
+    $('#textinfo_waitbox').show();
+    $('#textinfo_container').hide().ajaxError( 
+    	function(event, jqXHR, ajaxSettings, thrownError) {
+    	if( ajaxSettings.url.indexOf( 'textinfo' ) > -1 && ajaxSettings.type == 'GET'  ) {
+			$('#textinfo_waitbox').hide();
+			$('#textinfo_container').show();
+			display_error( jqXHR, $("#textinfo_load_status") );
+    	}
+    });
+    
+    // Hide the functionality that is irrelevant
+    if( editable ) {
+    	$('#open_stemma_add').show();
+    	$('#open_stemma_edit').show();
+    	$('#open_textinfo_edit').show();
+    } else {
+    	$('#open_stemma_add').hide();
+    	$('#open_stemma_edit').hide();
+    	$('#open_textinfo_edit').hide();
+    }
+
+    // Then get and load the actual content.
+    // TODO: scale #stemma_graph both horizontally and vertically
+    // TODO: load svgs from SVG.Jquery (to make scaling react in Safari)
+    $.getJSON( _get_url([ "textinfo", textid ]), function (textdata) {
+    	// Add the scalar data
+    	selectedTextInfo = textdata;
+    	load_textinfo();
+     	// Add the stemma(ta) and set up the stexaminer button
+    	stemmata = textdata.stemmata;
+    	if( stemmata.length ) {
+    		selectedStemmaID = 0;
+			$('#run_stexaminer').show();
+    	} else {
+    		selectedStemmaID = -1;
+			$('#open_stemma_edit').hide();
+			$('#run_stexaminer').hide();
+		}
+		load_stemma( selectedStemmaID );
+    	// Set up the relationship mapper button
+		$('#run_relater').attr( 'action', _get_url([ "relation", textid ]) );
+	});
+}
+
+// Load the metadata about a tradition into the appropriate div.
+function load_textinfo() {
+	$('#textinfo_waitbox').hide();
+	$('#textinfo_load_status').empty();
+	$('#textinfo_container').show();
+	$('.texttitle').empty().append( selectedTextInfo.name );
+	// Witnesses
+	$('#witness_num').empty().append( selectedTextInfo.witnesses.size );
+	$('#witness_list').empty().append( selectedTextInfo.witnesses.join( ', ' ) );
+	// Who the owner is
+	$('#owner_id').empty().append('no one');
+	if( selectedTextInfo.owner ) {
+		$('#owner_id').empty().append( selectedTextInfo.owner );
+	}
+	// Whether or not it is public
+	$('#not_public').empty();
+	if( selectedTextInfo['public'] == false ) {
+		$('#not_public').append('NOT ');
+	}
+	// What language setting it has, if any
+	$('#marked_language').empty().append('no language set');
+	if( selectedTextInfo.language && selectedTextInfo.language != 'Default' ) {
+		$('#marked_language').empty().append( selectedTextInfo.language );
+	}
+}	
+
+// Enable / disable the appropriate buttons for paging through the stemma.
+function show_stemmapager () {
+      $('.pager_left_button').unbind('click').addClass( 'greyed_out' );
+      $('.pager_right_button').unbind('click').addClass( 'greyed_out' );
+      if( selectedStemmaID > 0 ) {
+              $('.pager_left_button').click( function () {
+                      load_stemma( selectedStemmaID - 1 );
+              }).removeClass( 'greyed_out' );
+      }       
+      if( selectedStemmaID + 1 < stemmata.length ) {
+              $('.pager_right_button').click( function () {
+                      load_stemma( selectedStemmaID + 1 );
+              }).removeClass( 'greyed_out' );
+      }
+}
+
+// Load a given stemma SVG into the stemmagraph box.
+function load_stemma( idx ) {
+	// Load the stemma at idx
+	selectedStemmaID = idx;
+	show_stemmapager();
+	if( idx > -1 ) {
+		$('#stemma_graph').empty();
+		$('#stemma_graph').append( stemmata[idx] );
+		// Stexaminer submit action
+		var stexpath = _get_url([ "stexaminer", selectedTextID, idx ]);
+		$('#run_stexaminer').attr( 'action', stexpath );
+        setTimeout( 'start_element_height = $("#stemma_graph .node")[0].getBBox().height;', 500 );
+	}
+}
+
+// General-purpose error-handling function.
+// TODO make sure this gets used throughout, where appropriate.
+function display_error( jqXHR, el ) {
+	var errmsg;
+	if( jqXHR.responseText == "" ) {
+		errmsg = "perhaps the server went down?"
+	} else {
+		var errobj;
+		try {
+			errobj = jQuery.parseJSON( jqXHR.responseText );
+			errmsg = errobj.error;
+		} catch ( parse_err ) {
+			errmsg = "something went wrong on the server."
+		}
+	}
+	var msghtml = $('<span>').attr('class', 'error').text( "An error occurred: " + errmsg );
+	$(el).empty().append( msghtml ).show();
+}
+
+function start_upload_dialog() {
+    if( typeof uploader != 'undefined' ){ uploader.destroy() };
+    $('#upload-collation-dialog').dialog('option', 'attach_uploader')();
+    $('#upload_status').empty();
+    $('#upload_button').button('disable');
+    $('#upload-collation-dialog').dialog('open');
+}
+
+// Utility function to neatly construct an application URL
+function _get_url( els ) {
+	return basepath + els.join('/');
+}
+
+$(document).ready( function() {
+    // call out to load the directory div
+    $('#textinfo_container').hide();
+    $('#textinfo_waitbox').hide();
+	refreshDirectory();
+	
+	// Set up the textinfo edit dialog
+	$('#textinfo-edit-dialog').dialog({
+		autoOpen: false,
+		height: 200,
+		width: 300,
+		modal: true,
+		buttons: {
+			Save: function (evt) {
+				$("#edit_textinfo_status").empty();
+				$(evt.target).button("disable");
+				var requrl = _get_url([ "textinfo", selectedTextID ]);
+				var reqparam = $('#edit_textinfo').serialize();
+				$.post( requrl, reqparam, function (data) {
+					// Reload the selected text fields
+					selectedTextInfo = data;
+					load_textinfo();
+					// Reenable the button and close the form
+					$(evt.target).button("enable");
+					$('#textinfo-edit-dialog').dialog('close');
+				}, 'json' );
+			},
+			Cancel: function() {
+				$('#textinfo-edit-dialog').dialog('close');
+			}
+		},
+		open: function() {
+			$("#edit_textinfo_status").empty();
+			// Populate the form fields with the current values
+			// edit_(name, language, public, owner)
+			$.each([ 'name', 'language', 'owner' ], function( idx, k ) {
+				var fname = '#edit_' + k;
+				// Special case: language Default is basically language null
+				if( k == 'language' && selectedTextInfo[k] == 'Default' ) {
+					$(fname).val( "" );
+				} else {
+					$(fname).val( selectedTextInfo[k] );
+				}
+			});
+			if( selectedTextInfo['public'] == true ) {
+				$('#edit_public').attr('checked','true');
+			} else {
+				$('#edit_public').removeAttr('checked');
+			}
+		},
+	}).ajaxError( function(event, jqXHR, ajaxSettings, thrownError) {
+		$(event.target).parent().find('.ui-button').button("enable");
+    	if( ajaxSettings.url.indexOf( 'textinfo' ) > -1 
+    		&& ajaxSettings.type == 'POST' ) {
+			display_error( jqXHR, $("#edit_textinfo_status") );
+    	}
+	});
+
+	
+	// Set up the stemma editor dialog
+	$('#stemma-edit-dialog').dialog({
+		autoOpen: false,
+		height: 700,
+		width: 600,
+		modal: true,
+		buttons: {
+			Save: function (evt) {
+				$("#edit_stemma_status").empty();
+				$(evt.target).button("disable");
+				var stemmaseq = $('#stemmaseq').val();
+				var requrl = _get_url([ "stemma", selectedTextID, stemmaseq ]);
+				var reqparam = { 'dot': $('#dot_field').val() };
+				// TODO We need to stash the literal SVG string in stemmata
+				// somehow. Implement accept header on server side to decide
+				// whether to send application/json or application/xml?
+				$.post( requrl, reqparam, function (data) {
+					// We received a stemma SVG string in return. 
+					// Update the current stemma sequence number
+					selectedStemmaID = data.stemmaid;
+					// Stash the answer in our SVG array
+					stemmata[selectedStemmaID] = data.stemmasvg;
+					// Display the new stemma
+					load_stemma( selectedStemmaID );
+					// Reenable the button and close the form
+					$(evt.target).button("enable");
+					$('#stemma-edit-dialog').dialog('close');
+				}, 'json' );
+			},
+			Cancel: function() {
+				$('#stemma-edit-dialog').dialog('close');
+			}
+		},
+		open: function(evt) {
+			$("#edit_stemma_status").empty();
+			var stemmaseq = $('#stemmaseq').val();
+			if( stemmaseq == 'n' ) {
+				// If we are creating a new stemma, populate the textarea with a
+				// bare digraph.
+				$(evt.target).dialog('option', 'title', 'Add a new stemma')
+				$('#dot_field').val( "digraph stemma {\n\n}" );
+			} else {
+				// If we are editing a stemma, grab its stemmadot and populate the
+				// textarea with that.
+				$(evt.target).dialog('option', 'title', 'Edit selected stemma')
+				$('#dot_field').val( 'Loading, please wait...' );
+				var doturl = _get_url([ "stemmadot", selectedTextID, stemmaseq ]);
+				$.getJSON( doturl, function (data) {
+					// Re-insert the line breaks
+					var dotstring = data.dot.replace(/\|n/gm, "\n");					
+					$('#dot_field').val( dotstring );
+				});
+			}
+		},
+	}).ajaxError( function(event, jqXHR, ajaxSettings, thrownError) {
+		$(event.target).parent().find('.ui-button').button("enable");
+    	if( ajaxSettings.url.indexOf( 'stemma' ) > -1 
+    		&& ajaxSettings.type == 'POST' ) {
+			display_error( jqXHR, $("#edit_stemma_status") );
+    	}
+	});
+		
+	$('#upload-collation-dialog').dialog({
+		autoOpen: false,
+		height: 325,
+		width: 480,
+		modal: true,
+		buttons: {
+		  pick: {
+		    text: "Pick File",
+		    id: "pick_uploadfile_button",
+		    click: function() {}       
+		  },
+		  upload: {
+		    text: 'Upload',
+		    id: 'upload_button',
+		    click: function() {
+			    $('#upload_status').empty();
+                uploader.start();
+                return false;
+            }
+		  },
+		  Cancel: function() {
+		    $('#upload-collation-dialog').dialog('close');
+		  }
+		},
+		attach_uploader: function() {
+		    create_uploader( _get_url([ "newtradition" ]) );
+		    $('#filelist').empty().html( 'Use the \'Pick\' button to choose a source file…' );
+		}
+	});
+	
+	$('#stemma_graph').mousedown( function(evt) {
+        evt.stopPropagation();
+        $('#stemma_graph').data( 'mousedown_xy', [evt.clientX, evt.clientY] );
+        $('body').mousemove( function(evt) {
+            mouse_scale = 1; // for now, was:  mouse_scale = svg_root_element.getScreenCTM().a;
+            dx = (evt.clientX - $('#stemma_graph').data( 'mousedown_xy' )[0]) / mouse_scale;
+            dy = (evt.clientY - $('#stemma_graph').data( 'mousedown_xy' )[1]) / mouse_scale;
+            $('#stemma_graph').data( 'mousedown_xy', [evt.clientX, evt.clientY] );
+            var svg_root = $('#stemma_graph svg').svg().svg('get').root();
+            var g = $('g.graph', svg_root).get(0);
+            current_translate = g.getAttribute( 'transform' ).split(/translate\(/)[1].split(')',1)[0].split(' ');
+            new_transform = g.getAttribute( 'transform' ).replace( /translate\([^\)]*\)/, 'translate(' + (parseFloat(current_translate[0]) + dx) + ' ' + (parseFloat(current_translate[1]) + dy) + ')' );
+            g.setAttribute( 'transform', new_transform );
+            evt.returnValue = false;
+            evt.preventDefault();
+            return false;
+        });
+        $('body').mouseup( function(evt) {
+            $('body').unbind('mousemove');
+            $('body').unbind('mouseup');
+        });
+	});
+	 
+	$('#stemma_graph').mousewheel(function (event, delta) {
+        event.returnValue = false;
+        event.preventDefault();
+        if (!delta || delta == null || delta == 0) delta = event.originalEvent.wheelDelta;
+        if (!delta || delta == null || delta == 0) delta = -1 * event.originalEvent.detail;
+        if( delta < -9 ) { delta = -9 }; 
+        var z = 1 + delta/10;
+        z = delta > 0 ? 1 : -1;
+        var svg_root = $('#stemma_graph svg').svg().svg('get').root();
+        var g = $('g.graph', svg_root).get(0);
+        if (g && ((z<1 && (g.getScreenCTM().a * start_element_height) > 4.0) || (z>=1 && (g.getScreenCTM().a * start_element_height) < 1000))) {
+            var scaleLevel = z/10;
+            current_scale = parseFloat( g.getAttribute( 'transform' ).split(/scale\(/)[1].split(')',1)[0].split(' ')[0] );
+            new_transform = g.getAttribute( 'transform' ).replace( /scale\([^\)]*\)/, 'scale(' + (current_scale + scaleLevel) + ')' );
+            g.setAttribute( 'transform', new_transform );
+        }
+    });
+    
+});