-function loadTradition( textid, textname ) {
- // First insert the placeholder image
- var basepath = window.location.pathname
- if( basepath.lastIndexOf('/') == basepath.length - 1 ) {
- basepath = basepath.slice( 0, basepath.length - 1)
- };
- var imghtml = '<img src="' + basepath + '/images/ajax-loader.gif" alt="Loading SVG..."/>'
+// 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();
- $('#variant_graph').empty();
- $('#stemma_graph').append( imghtml );
- $('#variant_graph').append( imghtml );
+ $('#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_grpah both horizontally and vertically
+ // TODO: scale #stemma_graph both horizontally and vertically
// TODO: load svgs from SVG.Jquery (to make scaling react in Safari)
- $('#stemma_graph').load( basepath + "/stemma/" + textid );
- $('#variant_graph').load( basepath + "/variantgraph/" + textid , function() {
- var variant_svg_element = $('#variant_graph svg').svg().svg('get').root();
- var svg_height = variant_svg_element.height.baseVal.value;
- var svg_width = variant_svg_element.width.baseVal.value;
- var container_height = $('#variant_graph').height();
- variant_svg_element.height.baseVal.value = container_height;
- variant_svg_element.width.baseVal.value = (svg_width/svg_height * container_height);
+ $.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 ]) );
});
-
- // Then populate the various elements with the right text name/ID.
- // Stemma and variant graph titles
- $('.texttitle').empty();
- $('.texttitle').append( textname );
- // Stexaminer submit action
- $('#run_stexaminer').attr( 'action', basepath + "/stexaminer/" + textid );
- // Relationship mapper submit action
- $('#run_relater').attr( 'action', basepath + "/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 fileā¦' );
+ }
+ });
+
+ $('#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 );
+ }
+ });
+
+});