better colors

app.js

@@ -61,6 +61,9 @@ function transformToSunburst(data) {
     const categories = [];
     const categoryMap = {};
     
+    // Store raw transactions for each microcategory to display in details
+    const transactionMap = {};
+    
     // Predefined colors for categories
     const colors = [
         '#5470c6', '#91cc75', '#fac858', '#ee6666', '#73c0de',
@@ -73,16 +76,28 @@ function transformToSunburst(data) {
         const subcategory = item.subcategory || '';
         const microcategory = item.microcategory || '';
         const amount = Math.abs(parseFloat(item.amount_rub));
+        const transactionKey = `${category}|${subcategory}|${microcategory}`;
         
         if (!isNaN(amount)) {
             totalSpending += amount;
             
+            // Save transaction data for detail box
+            if (!transactionMap[transactionKey]) {
+                transactionMap[transactionKey] = [];
+            }
+            transactionMap[transactionKey].push({
+                name: item.simple_name || 'Transaction',
+                value: amount,
+                date: item.date
+            });
+            
             if (!categoryMap[category] && category !== '') {
                 categoryMap[category] = {
                     name: category,
                     value: 0,
                     children: {},
-                    itemStyle: {}
+                    itemStyle: {},
+                    transactions: transactionMap[transactionKey] // Store transactions
                 };
                 categories.push(categoryMap[category]);
             }
@@ -93,7 +108,8 @@ function transformToSunburst(data) {
                         name: subcategory,
                         value: 0,
                         children: {},
-                        itemStyle: {}
+                        itemStyle: {},
+                        transactions: transactionMap[transactionKey] // Store transactions
                     };
                 }
                 
@@ -102,7 +118,8 @@ function transformToSunburst(data) {
                         categoryMap[category].children[subcategory].children[microcategory] = {
                             name: microcategory,
                             value: 0,
-                            itemStyle: {}
+                            itemStyle: {},
+                            transactions: transactionMap[transactionKey] // Store transactions
                         };
                     }
                     
@@ -128,13 +145,15 @@ function transformToSunburst(data) {
     // Assign colors to categories
     categories.forEach((category, index) => {
         const colorIndex = index % colors.length;
+        const baseColor = colors[colorIndex];
         const categoryNode = {
             name: category.name,
             value: category.value,
             children: [],
             itemStyle: {
-                color: colors[colorIndex]
-            }
+                color: baseColor
+            },
+            transactions: category.transactions
         };
         
         // Get subcategories and sort by value
@@ -144,15 +163,22 @@ function transformToSunburst(data) {
         }
         subcategories.sort((a, b) => b.value - a.value);
         
+        // Generate color variations for subcategories based on their size
+        const subcatColors = generateColorGradient(baseColor, subcategories.length || 1);
+        
         // Process each subcategory
-        subcategories.forEach(subcategory => {
+        subcategories.forEach((subcategory, subIndex) => {
+            // Adjust subcategory color based on its relative size within category
+            const subcatColor = subcatColors[subIndex];
+            
             const subcategoryNode = {
                 name: subcategory.name,
                 value: subcategory.value,
                 children: [],
                 itemStyle: {
-                    color: colors[colorIndex]
-                }
+                    color: subcatColor
+                },
+                transactions: subcategory.transactions
             };
             
             // Get microcategories and sort by value
@@ -162,14 +188,18 @@ function transformToSunburst(data) {
             }
             microcategories.sort((a, b) => b.value - a.value);
             
+            // Generate color variations for microcategories based on their size
+            const microColors = generateColorGradient(subcatColor, microcategories.length || 1);
+            
             // Add microcategories to subcategory
-            microcategories.forEach(micro => {
+            microcategories.forEach((micro, microIndex) => {
                 subcategoryNode.children.push({
                     name: micro.name,
                     value: micro.value,
                     itemStyle: {
-                        color: colors[colorIndex]
-                    }
+                        color: microColors[microIndex]
+                    },
+                    transactions: micro.transactions
                 });
             });
             
@@ -180,8 +210,9 @@ function transformToSunburst(data) {
                     name: subcategory.name,
                     value: subcategory.value,
                     itemStyle: {
-                        color: colors[colorIndex]
-                    }
+                        color: subcatColor
+                    },
+                    transactions: subcategory.transactions
                 });
             }
         });
@@ -240,7 +271,7 @@ function renderChart(data) {
                     label: {
                         show: true,
                         rotate: 'radial',
-                        fontSize: 12,
+                        fontSize: 13,
                         lineHeight: 15,
                         verticalAlign: 'center',
                         position: 'inside',
@@ -258,9 +289,12 @@ function renderChart(data) {
                     r0: '45%',
                     r: '70%',
                     label: {
-                        show: false,
+                        show: function(param) {
+                            // Show labels for sectors that are at least 5% of the total
+                            return param.percent >= 0.05;
+                        },
                         fontSize: 11,
-                        align: 'left',
+                        align: 'center',
                         position: 'inside',
                         distance: 5,
                         formatter: function(param) {
@@ -522,7 +556,7 @@ function renderChart(data) {
     myChart.setOption(option);
     
     // Set up hover events for the details box
-    setupHoverEvents();
+    setupHoverEvents(sunburstData);
 }
 
 // Function to generate a color gradient
@@ -530,18 +564,37 @@ function generateColorGradient(baseColor, steps) {
     const result = [];
     const base = tinycolor(baseColor);
     
-    // Generate lighter shades for better contrast
+    // Get the base hue value (0-360)
+    const baseHue = base.toHsl().h;
+    
+    // Create a more dramatic gradient based on size
     for (let i = 0; i < steps; i++) {
-        // Create various tints and shades based on the position
-        let color;
-        if (i % 3 === 0) {
-            color = base.clone().lighten(15);
-        } else if (i % 3 === 1) {
-            color = base.clone().darken(10);
+        // Calculate percentage position in the sequence (0 to 1)
+        const position = i / (steps - 1 || 1);
+        
+        let color = base.clone();
+        
+        // Modify hue - shift around the color wheel based on size
+        // Smaller items (position closer to 0): shift hue towards cooler colors (-30 degrees)
+        // Larger items (position closer to 1): shift hue towards warmer colors (+30 degrees)
+        const hueShift = 15-(position*15); // Ranges from -30 to +30
+        
+        // Apply HSL transformations
+        const hsl = color.toHsl();
+        //hsl.h = (baseHue + hueShift) % 360; // Keep hue within 0-360 range
+        
+        // Also adjust saturation and lightness for even more distinction
+       /* if (position < 0.5) {
+            // Smaller items: more saturated, darker
+            hsl.s = Math.min(1, hsl.s * (1.3 - position * 0.6)); // Increase saturation up to 30%
+            hsl.l = Math.max(0.2, hsl.l * (0.85 + position * 0.3)); // Slightly darker
         } else {
-            color = base.clone().saturate(20);
-        }
-        result.push(color.toString());
+            // Larger items: slightly less saturated, brighter
+            hsl.s = Math.min(1, hsl.s * (0.9 + position * 0.2)); // Slightly reduce saturation 
+            hsl.l = Math.min(0.9, hsl.l * (1.1 + (position - 0.5) * 0.2)); // Brighter
+        }*/
+        
+        result.push(tinycolor(hsl).toString());
     }
     
     return result;
@@ -600,64 +653,182 @@ window.addEventListener('resize', function() {
 });
 
 // Add mouseover handler to update details box
-function setupHoverEvents() {
-    const hoverNameElement = document.getElementById('hover-name');
-    const hoverAmountElement = document.getElementById('hover-amount');
+function setupHoverEvents(sunburstData) {
     const topItemsElement = document.getElementById('top-items');
     
-    // Add mouseover event listener
-    myChart.on('mouseover', function(params) {
-        // Only process data nodes, not empty areas
-        if (params.data) {
-            // Set the name and amount
-            hoverNameElement.textContent = params.name;
-            hoverAmountElement.textContent = params.value.toLocaleString() + ' RUB';
+    // Create a container for details header with name and amount
+    const detailsHeader = document.getElementById('details-header') || document.createElement('div');
+    detailsHeader.id = 'details-header';
+    detailsHeader.className = 'details-header';
     
+    if (!document.getElementById('details-header')) {
+        const detailsBox = document.querySelector('.details-box');
+        detailsBox.insertBefore(detailsHeader, detailsBox.firstChild);
+    }
+
+    // Function to display items in the details box
+    function displayDetailsItems(items, parentValue) {
         // Clear previous top items
         topItemsElement.innerHTML = '';
         
-            // Find top items if there are children
-            if (params.data.children && params.data.children.length > 0) {
-                // Sort children by value
-                const sortedChildren = [...params.data.children].sort((a, b) => b.value - a.value);
-                
-                // Display top 10 or fewer
-                const topChildren = sortedChildren.slice(0, 10);
-                
-                // Create elements for each top item
-                topChildren.forEach(child => {
+        // If we have items to show
+        if (items.length > 0) {
+            // Create elements for each item
+            items.forEach(item => {
                 const itemDiv = document.createElement('div');
                 itemDiv.className = 'top-item';
                 
                 const nameSpan = document.createElement('span');
                 nameSpan.className = 'top-item-name';
-                    nameSpan.textContent = child.name;
+                
+                // Add colored circle
+                const colorCircle = document.createElement('span');
+                colorCircle.className = 'color-circle';
+                
+                // Use the item's color if available, otherwise use a default
+                if (item.itemStyle && item.itemStyle.color) {
+                    colorCircle.style.backgroundColor = item.itemStyle.color;
+                } else if (item.color) {
+                    colorCircle.style.backgroundColor = item.color;
+                } else {
+                    colorCircle.style.backgroundColor = '#cccccc';
+                }
+                
+                nameSpan.appendChild(colorCircle);
+                nameSpan.appendChild(document.createTextNode(item.name));
                 itemDiv.appendChild(nameSpan);
                 
                 const amountSpan = document.createElement('span');
                 amountSpan.className = 'top-item-amount';
-                    amountSpan.textContent = child.value.toLocaleString() + ' ₽';
-                    itemDiv.appendChild(amountSpan);
+                amountSpan.textContent = item.value.toLocaleString() + ' ₽';
                 
-                    // Add percentage
-                    const percentage = ((child.value / params.value) * 100).toFixed(1);
+                // Add percentage if we have a parent value
+                if (parentValue) {
+                    const percentage = ((item.value / parentValue) * 100).toFixed(1);
                     amountSpan.textContent += ` (${percentage}%)`;
+                }
                 
+                itemDiv.appendChild(amountSpan);
                 topItemsElement.appendChild(itemDiv);
             });
         } else {
-                // No children, show a message
-                topItemsElement.innerHTML = '<div>No subcategories available</div>';
+            // No items to show
+            topItemsElement.innerHTML = '<div>No details available</div>';
         }
     }
+    
+    // Show the default view with top categories
+    function showDefaultView() {
+        detailsHeader.innerHTML = `
+            <span class="hover-name">
+                <span class="color-circle" style="background-color: #ffffff;"></span>
+                Total
+            </span>
+            <span class="hover-amount">${sunburstData.total.toLocaleString()} ₽</span>
+        `;
+        
+        // Show top categories as default items
+        displayDetailsItems(sunburstData.data, sunburstData.total);
+    }
+    
+    // Show default view initially
+    showDefaultView();
+    
+    // Track if we're inside a section to handle sector exit properly
+    let isInsideSection = false;
+    
+    // Variables to track the circular boundary
+    const chartCenter = option.series.center;
+    const chartCenterX = chartDom.offsetWidth * (parseFloat(chartCenter[0]) / 100);
+    const chartCenterY = chartDom.offsetHeight * (parseFloat(chartCenter[1]) / 100);
+    const chartRadius = Math.min(chartDom.offsetWidth, chartDom.offsetHeight) * 
+                        (parseFloat(option.series.radius[1]) / 100);
+    
+    // Check if point is inside the sunburst chart circle
+    function isInsideChart(x, y) {
+        const dx = x - chartCenterX;
+        const dy = y - chartCenterY;
+        const distance = Math.sqrt(dx * dx + dy * dy);
+        return distance <= chartRadius;
+    }
+    
+    // Add general mousemove event listener to detect when outside chart circle
+    chartDom.addEventListener('mousemove', function(e) {
+        // Get mouse position relative to chart container
+        const rect = chartDom.getBoundingClientRect();
+        const mouseX = e.clientX - rect.left;
+        const mouseY = e.clientY - rect.top;
+        
+        // If not inside the chart circle and we were inside a section, show default view
+        if (!isInsideChart(mouseX, mouseY) && isInsideSection) {
+            isInsideSection = false;
+            showDefaultView();
+        }
     });
     
-    // Reset on mouseout from the chart
-    myChart.on('mouseout', function(params) {
-        if (!params.data) {
-            hoverNameElement.textContent = 'Hover over a segment to see details';
-            hoverAmountElement.textContent = '';
-            topItemsElement.innerHTML = '';
+    // Add mouseover event listener for sectors
+    myChart.on('mouseover', function(params) {
+        // Only process data nodes, not empty areas
+        if (params.data) {
+            isInsideSection = true;
+            
+            // Set up the details header with name and amount
+            const itemColor = params.color || (params.data.itemStyle ? params.data.itemStyle.color : '#cccccc');
+            
+            detailsHeader.innerHTML = `
+                <span class="hover-name">
+                    <span class="color-circle" style="background-color: ${itemColor};"></span>
+                    ${params.name}
+                </span>
+                <span class="hover-amount">${params.value.toLocaleString()} ₽</span>
+            `;
+            
+            // Number of items to show in the details box
+            const MAX_DETAIL_ITEMS = 5;
+            let itemsToShow = [];
+            
+            // Check if the node has children (subcategories or microcategories)
+            if (params.data.children && params.data.children.length > 0) {
+                // Sort children by value
+                const sortedChildren = [...params.data.children].sort((a, b) => b.value - a.value);
+                itemsToShow = sortedChildren.slice(0, MAX_DETAIL_ITEMS);
+            }
+            
+            // If we have transaction data and not enough children, fill with transactions
+            if (itemsToShow.length < MAX_DETAIL_ITEMS && params.data.transactions) {
+                // Sort transactions by value
+                const sortedTransactions = [...params.data.transactions].sort((a, b) => b.value - a.value);
+                
+                // Add color to transactions
+                const coloredTransactions = sortedTransactions.map(t => {
+                    return {
+                        ...t,
+                        color: params.color || (params.data.itemStyle ? params.data.itemStyle.color : '#cccccc')
+                    };
+                });
+                
+                // Take only what we need to reach MAX_DETAIL_ITEMS
+                const neededTransactions = coloredTransactions.slice(0, MAX_DETAIL_ITEMS - itemsToShow.length);
+                itemsToShow = [...itemsToShow, ...neededTransactions];
+            }
+            
+            // Display the items
+            displayDetailsItems(itemsToShow, params.value);
         }
     });
+    
+    // When mouse leaves a section but is still within the chart, we'll handle it with mousemove
+    myChart.on('mouseout', function(params) {
+        if (params.data) {
+            isInsideSection = false;
+            // Reset details immediately when leaving a section
+            showDefaultView();
+        }
+    });
+    
+    // Add back the downplay event handler - this is triggered when sections lose emphasis
+    myChart.on('downplay', function(params) {
+        // Reset to default view when a section is no longer emphasized
+        showDefaultView();
+    });
 } 

index.html

@@ -19,10 +19,12 @@
         </div>
         <div class="content-wrapper">
             <div id="chart-container"></div>
-            <div id="details-box">
+            <div id="details-box" class="details-box">
                 <h3>Details</h3>
-                <div id="hover-name">Hover over a segment to see details</div>
-                <div id="hover-amount"></div>
+                <div id="details-header" class="details-header">
+                    <span class="hover-name">Hover over a segment to see details</span>
+                    <span class="hover-amount"></span>
+                </div>
                 <h4>Top Items:</h4>
                 <div id="top-items"></div>
             </div>

styles.css

@@ -79,17 +79,41 @@ body {
     font-size: 14px;
 }
 
-#hover-name {
-    font-weight: bold;
-    margin-bottom: 5px;
-    color: #333;
-    word-break: break-word;
+.details-header {
+    display: flex;
+    justify-content: space-between;
+    align-items: center;
+    margin-bottom: 15px;
+    padding-bottom: 8px;
+    border-bottom: 1px solid #eee;
 }
 
-#hover-amount {
-    font-size: 18px;
-    margin-bottom: 10px;
+.hover-name {
+    font-weight: bold;
+    color: #333;
+    word-break: break-word;
+    flex: 1;
+    display: flex;
+    align-items: center;
+}
+
+.hover-amount {
+    font-size: 16px;
     color: #0066cc;
+    font-weight: bold;
+    margin-left: 10px;
+    white-space: nowrap;
+    text-align: left;
+    min-width: 100px;
+}
+
+.color-circle {
+    display: inline-block;
+    width: 12px;
+    height: 12px;
+    border-radius: 50%;
+    margin-right: 8px;
+    flex-shrink: 0;
 }
 
 #top-items {
@@ -112,9 +136,13 @@ body {
     white-space: nowrap;
     overflow: hidden;
     text-overflow: ellipsis;
+    display: flex;
+    align-items: center;
 }
 
 .top-item-amount {
     margin-left: 10px;
     font-weight: bold;
+    min-width: 100px;
+    text-align: left;
 }